Percentage Calculator

Calculate percentages easily with our free online tool

What is X% of Y?

Formula: (X / 100) × Y

X is what % of Y?

Formula: (X / Y) × 100

Percentage Increase/Decrease

Formula: ((New - Original) / Original) × 100

Percentage Difference

Formula: |(V1 - V2)| / ((V1 + V2)/2) × 100

How to Use the Percentage Calculator

Our percentage calculator is designed to be simple and intuitive to use.

  • Select the type of calculation you want to perform
  • Enter your numbers in the input fields
  • Click the Calculate button to see your result
  • Use the Clear button to start a new calculation

Common Uses for Percentage Calculations

Percentages are used in many everyday situations, from calculating discounts to understanding statistics.