How do I find what percent one number is of another?

Use the "What percent is X of Y?" section. Enter the two values and the calculator shows the percentage instantly.

Can I calculate percentage increase or decrease?

Yes — the Percentage Change section calculates increase or decrease between two values as a percentage.

Use the "Add/Remove percent" section. Enter the value and the percent to add or subtract.

Four modes: find X% of Y, what % is X of Y, percentage change, and add/remove %.

Percentage (%)

Value

is what % of

Total

From value

→

To value

Value

Percentage (%)

Add Remove

Four common percentage calculations in one place. Switch between tabs depending on what you know and what you need to find.

How do I find what percent one number is of another?: Use the "What percent is X of Y?" section. Enter the two values and the calculator shows the percentage instantly.
Can I calculate percentage increase or decrease?: Yes — the Percentage Change section calculates increase or decrease between two values as a percentage.
How do I add or remove a percentage from a value?: Use the "Add/Remove percent" section. Enter the value and the percent to add or subtract.