Percentage Calculator
Three percentage questions, one tool: a percentage of a number, one number as a percentage of another, and the percentage change between two values.
Percentage Calculator
Percents of, percents change, and more
25% of 20050.00
How it works
- X% of Y = Y × X ÷ 100.
- X as a percentage of Y = X ÷ Y × 100.
- Percentage change = (new − old) ÷ old × 100.
Frequently asked questions
How do I calculate a percentage increase?
Subtract the old value from the new one, divide by the old value and multiply by 100. From 80 to 100 is (100 − 80) ÷ 80 × 100 = 25%.
Use it without ads
QuickCalc Pro is a one-time $4.99 payment: no ads anywhere, and you can save any calculation and open it again on any device.
30-day money-back guarantee · Secure checkout by Paddle
Related calculators
Salary to Hourly Wage CalculatorConvert an annual or monthly salary into an hourly wage. Enter your salary, weekly hours and holiday weeks for an instant, accurate hourly rate.Hourly to Salary CalculatorSee what an hourly wage works out to per week, month and year. Free hourly to salary calculator with adjustable hours and weeks off.VAT Calculator — Add or Remove VATFree VAT calculator: add VAT to a net price or strip VAT out of a gross price at any rate. Shows net, VAT amount and gross instantly.Tip Calculator — Split the Bill and the TipFree tip calculator: pick 10–20%, see the tip amount and total, and split it evenly between any number of people. Works on any phone.Discount Calculator — Price After Percent OffWork out the sale price and how much you save. Free discount calculator for any percent off, with the amount saved shown instantly.Currency Converter — Live Exchange RatesConvert between euro, dollar, pound, yen and more with live exchange rates. Free currency converter, no sign-up needed.
See all 20 calculators