{"id":396,"date":"2015-06-16T10:23:05","date_gmt":"2015-06-16T08:23:05","guid":{"rendered":"http:\/\/wpcalc.com\/?p=396"},"modified":"2026-09-30T20:00:40","modified_gmt":"2026-09-30T17:00:40","slug":"price-increase-decrease-percentage","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/finance\/price-increase-decrease-percentage\/","title":{"rendered":"Price Increase, Decrease Percentage Calculator"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Price Change Percentage Estimator<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"396\" data-favorite-title=\"Price Increase, Decrease Percentage\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/finance\/price-increase-decrease-percentage\/\" data-favorite-excerpt=\"Calculate the percentage increase or decrease between an original price and a new price. Enter both prices to see the exact price change and whether it went up or down.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-loan\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/finance\/price-increase-decrease-percentage\/\" method=\"POST\" class=\"calculator\" id=\"calculator-396\" data-post=\"396\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Original Price<\/label><input type=\"text\" name=\"original_price\" id=\"field-1\" aria-describedby=\"calc-unit-1 calc-info-1\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"100\"\/><div class=\"unit\" id=\"calc-unit-1\">$<\/div><small id=\"calc-info-1\">Enter the original price<\/small><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">New Price<\/label><input type=\"text\" name=\"new_price\" id=\"field-2\" aria-describedby=\"calc-unit-2 calc-info-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"120\"\/><div class=\"unit\" id=\"calc-unit-2\">$<\/div><small id=\"calc-info-2\">Enter the new price<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"396\">Calculate<\/button><button type=\"reset\">Reset<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calculate automatically<\/label><small>If enabled, the result will update automatically when you change any value.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Your Results<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Price Change<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"%\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>Change Type<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copy link to this calculation<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Leave a Comment<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"396\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Inaccurate <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Price Increase \/ Decrease Percentage Formula<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Formula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ \\text{Percentage Change} = \\left( \\frac{\\text{New Price} - \\text{Old Price}}{\\text{Old Price}} \\right) \\times 100 \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(\\text{New Price}\\) \u2014 the updated or current price<\/li>\n<li>\\(\\text{Old Price}\\) \u2014 the original or previous price<\/li>\n<li>\\(\\text{Percentage Change}\\) \u2014 the rate of increase or decrease from the old price to the new price<\/li>\n<\/ul>\n<p>The formula subtracts the old price from the new price to find the absolute change, then divides by the old price to express that change relative to the starting point.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-459\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Price Change Percentage \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> a product originally cost $100, and its new price is $120 (the default values in the calculator).<\/p>\n<p>\\[ \\text{Percentage Change} = \\left( \\frac{120 - 100}{100} \\right) \\times 100 = \\left( \\frac{20}{100} \\right) \\times 100 = 20\\% \\]<\/p>\n<p><strong>Result:<\/strong> the price increased by <strong>20%<\/strong>, so the change type is an increase.<\/p>\n<p>If instead the price had dropped from $100 to $80, the change would be \\(\\frac{80 - 100}{100} \\times 100 = -20\\%\\), a 20% decrease.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to Use the Calculator<\/h2>\n<ol>\n<li>Enter the <strong>Original Price<\/strong> \u2014 the previous or starting price of the product or service.<\/li>\n<li>Enter the <strong>New Price<\/strong> \u2014 the updated price you want to compare against the original.<\/li>\n<li>Read the <strong>Price Change<\/strong> field, which shows the percentage change rounded to two decimal places.<\/li>\n<li>Check the <strong>Change Type<\/strong> field to see whether the price increased, decreased, or stayed the same.<\/li>\n<\/ol>\n<p>A positive result means the price went up, a negative result means it went down, and 0% means no change. The original price must be greater than zero for the calculation to work.<\/p>\n<h2>What Is Price Change Percentage?<\/h2>\n<p>Price change percentage measures how much a price has moved relative to its original value. It answers the question: \"By what percent did this price go up or down?\" Because the change is expressed as a percentage of the old price rather than in dollars, it lets you compare price movements across items of very different sizes. A $5 jump on a $10 item is a 50% increase, while the same $5 jump on a $1,000 item is only 0.5%.<\/p>\n<p>This kind of calculation appears everywhere in daily life: a retailer raising the price of a product, a grocery bill growing month over month, a rent adjustment, a subscription renewal, or a stock changing value. Businesses use it to analyze pricing strategy, track inflation in supply costs, and evaluate discounts. Consumers use it to check whether a \"sale\" price is actually a meaningful reduction or to compare how fast different expenses are growing.<\/p>\n<p>It is important to distinguish percentage change from percentage-point change. If a price rises from $100 to $120, that is a 20% increase. But if an interest rate rises from 4% to 5%, that is a 1 percentage point increase, even though it equals a 25% relative increase. This calculator is designed for prices and other quantities measured in dollars, where the relative change is what usually matters.<\/p>\n<h2>Interpreting the Result<\/h2>\n<p>The result always uses the <em>original<\/em> price as the baseline. A change from $100 to $120 is +20%, but going back from $120 to $100 is only \u221216.67%, because the starting point is different. This asymmetry is normal and expected in percentage change calculations \u2014 the same dollar amount produces different percentages depending on the direction of the change.<\/p>\n<p>When evaluating discounts, remember that a decrease followed by an equal-percentage increase does not return you to the original price. A 20% discount followed by a 20% increase leaves the price 4% below where it started.<\/p>\n<h2>Tips, Assumptions and Limitations<\/h2>\n<ul>\n<li>The original price must be greater than 0. A percentage change from zero is mathematically undefined, which is why the calculator rejects that input.<\/li>\n<li>Both prices are assumed to be in the same currency and refer to the same item or quantity. Comparing prices of different products or different package sizes will give a meaningless result.<\/li>\n<li>The result is rounded to two decimal places, which is sufficient for most pricing decisions but may hide tiny differences in high-volume analysis.<\/li>\n<li>Taxes and fees are not handled separately. If you want the change in the pre-tax price, enter pre-tax values; if you want the change in what customers actually pay, enter the final totals.<\/li>\n<li>Percentage change works best as a comparison tool. Track the same item over time, or compare similar items, to draw useful conclusions.<\/li>\n<\/ul>\n<p>If you are analyzing price movements as part of a broader financial picture, you may also find our <a href=\"https:\/\/wpcalc.com\/en\/finance\/return-on-investment\/\">Return on Investment calculator<\/a> useful for measuring gains and losses on investments, or the <a href=\"https:\/\/wpcalc.com\/en\/finance\/monthly-investment-savings\/\">Monthly Investment Savings calculator<\/a> for planning how price-driven savings can grow over time. For long-term goals where today's prices matter, the <a href=\"https:\/\/wpcalc.com\/en\/finance\/present-value-for-future-value\/\">Present Value for Future Value calculator<\/a> helps account for how price changes affect the value of money over time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calculate the percentage increase or decrease between an original price and a new price. Enter both prices to see the exact price change and whether it went up or down.<\/p>\n","protected":false},"author":70,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[30],"class_list":["post-396","post","type-post","status-publish","format-standard","hentry","category-finance","tag-mortgage"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=396"}],"version-history":[{"count":3,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/396\/revisions"}],"predecessor-version":[{"id":66157,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/396\/revisions\/66157"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}