Percentage Calculator
Solve any percentage calculation quickly and accurately.
% of
X% of Y is
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How to Use This Percentage Calculator
Choose one of the three calculation modes above the input fields: find what X% of a number is, find what percentage one number is of another, or calculate the percentage change between two values. Enter your numbers and the result updates instantly.
Frequently Asked Questions
How do I calculate a percentage increase?
Use the "% Change" tab, enter the original value in the first box and the new value in the second box. A positive result means an increase, a negative result means a decrease.
What is the formula for percentage of a number?
To find X% of Y, multiply Y by X and divide by 100. For example, 20% of 150 is (20 × 150) / 100 = 30.