Percentage Calculator
Perform various percentage calculations.
How to Use
- Select a calculation mode (percent of, what percent, percent change).
- Enter the two values.
- View the result in real time.
FAQ
How do you calculate a percentage?
Percentage is calculated as (part / whole) x 100. For example, 25 is 50% of 50.
How is percentage change calculated?
Percentage change = ((new value - old value) / |old value|) x 100.