Percentage Calculator

Calculate percentages, percentage changes, and more

Percentage Calculations
Choose a calculation type and enter your values
How It Works

1. Choose Calculation Type

Select from 5 different percentage calculations

2. Enter Values

Input the required numbers for your calculation

3. Calculate

Click calculate to see the result

4. Download Results

Save your calculation for future reference

Features
  • 5 different percentage calculation types
  • Detailed calculation steps shown
  • Supports decimal values for precision
  • Download results as text file
  • 100% client-side - instant results
Calculation Types

1. X% of Y

Find a percentage of a number

2. X is what % of Y

Find what percentage one number is of another

3. X is Y% of what

Find the whole when you know the part and percentage

4. Percentage Change

Calculate increase or decrease between two values

5. Increase/Decrease by %

Adjust a value by a percentage