Percentage Calculator

Calculate percentages, increases, and decreases

Percentage (%)

Value

Result: Enter values and calculate

What is X% of Y?

Formula: X% × Y = Result

Example: 20% of 100 = 20

The Percentage Calculator tool allows you to perform various percentage-related calculations:

What is X% of Y? - Calculate a percentage of a number (e.g., 20% of 100 = 20)
X is what % of Y? - Find what percentage one number is of another (e.g., 20 is 20% of 100)
Percentage Increase/Decrease - Calculate the percentage change between two values
Percentage Difference - Find the percentage difference between two numbers

Select the type of calculation you want to perform from the dropdown menu.
Enter the values in the input fields provided.
The result will automatically update as you type, or you can click the "Calculate" button.
Use the "Reset" button to return all values to their defaults.

Note: The formula used for each calculation is shown below the calculator. This can help you understand how the results are derived.

When calculating percentages with division operations, you cannot use zero as the denominator.
For percentage increase/decrease calculations, the original value cannot be zero.
Results are automatically formatted to display integers when possible, or up to two decimal places when needed.