Home › Percentage Calculators
Percentages, percent change and discounts. Choose a calculator below.
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Percentage Change Calculator
Find the percentage increase or decrease between an old and a new value.
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Discount Calculator
Find the sale price and savings after a percentage discount, plus an optional extra discount.
About our percentage calculators
Our percentage calculators are free, run in your browser and show the formula and a worked example on every page. Results are estimates for general information only and are not professional financial, medical or legal advice.