Percentage Calculator
Work out a percentage of a number, what percent one number is of another, the percentage change between two values, and more.
What is% of?
is what % of?
% change fromto
Increaseby%
Decreaseby%
How to use the Percentage Calculator
Each box answers one kind of question. Fill in the two numbers and the answer appears, with the formula used.
For marks, divide what you scored by the total and multiply by 100: 432 out of 500 is 86.4%.
Frequently asked questions
How do I calculate a percentage of a number?
Multiply the number by the percentage and divide by 100. 15% of 2,000 is 2,000 × 15 ÷ 100 = 300.
How do I find 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%.
How do I calculate percentage of marks?
Divide your total marks by the maximum marks and multiply by 100.
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