The Percentage Calculator works out percentages for you in seconds. Find what percent one number is of another, add or take off a percent, or work out the percentage change between two values without doing the math by hand.
How to calculate a percentage
- Pick the type of percentage you need.
- Type in your numbers.
- Read the answer right away.
- Change the numbers to try other cases.
Where percentages come up
Percentages are part of daily life. You use them for shop discounts, exam scores, tips, interest, and growth figures. This tool removes the guesswork so you get a correct answer fast, even with tricky numbers.
Common percentage questions
You can find how much you save in a sale, how much tax is added, or how much a price went up or down over time. Just enter the values and the calculator handles the rest, so you can trust the result.