How to Use the Percentage Calculator

This versatile percentage calculator helps you solve various percentage problems quickly. Choose from four different calculation modes depending on what you need to calculate.

What is X% of Y?

Use this mode to find a percentage of a number. For example, calculating 20% of 100 gives you 20. This is useful for calculating discounts, tips, or portions of totals.

Percentage Increase

Calculate the result after increasing a number by a certain percentage. If you have $100 and want to increase it by 20%, the result is $120. Common uses include salary increases, price markups, and growth projections.

Percentage Decrease

Find the result after decreasing a number by a percentage. For example, applying a 20% discount to a $100 item results in $80. Perfect for calculating discounts, depreciation, or reductions.

Percentage Difference

Calculate the percentage change between two numbers. This shows the relative change from one value to another. Useful for comparing data, analyzing trends, or measuring growth rates.