Percent Increase Calculator
Find the percent increase between two values, or the value after an increase.
Change the values and press Calculate to work out your own figures.
Percent increase
Enter the initial and final values.
Show the working
- Percent increase = (final − initial) ÷ initial × 100
Value after an increase
Enter the initial value and the percent increase.
Show the working
- 80 × (1 + 0.25) = 100
How to use it
Enter the initial and final values. Enter the initial value and the percent increase.
Numbers can be whole numbers, decimals (0.75), fractions (3/4), mixed numbers (1 1/2), repeating decimals (0.(3)) and, where a percent is asked for, percentages (75%). Show the working gives each step.
Key facts
increase = (final − initial) ÷ initial × 100
Increase then decrease
A 25% increase followed by a 25% decrease doesn't return to the start: 80 → 100 → 75.
Questions
What is the percent increase from 75 to 105?
40%.
What is 80 increased by 25%?
100.
Formulas
increase = (final − initial) ÷ initial × 100
Sources
Limitations
- Numbers have at most 120 digits.