Percentage Increase Calculator

Work out the percentage rise between two values.

Percentage Increase Calculator

Fast online calculation engine

Base Value

Percentage (%)

10% of 10000010,000

After 10% Increase110,000

After 10% Decrease90,000

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What does Percentage Increase Calculator do?

Enter a starting value and an ending value to get the percentage increase, the absolute difference and a multiplier. Useful for salary rises, price changes, growth rates and year-on-year comparisons.

How to Use Percentage Increase Calculator

1
Enter the original valueThe starting number, before the change.
2
Enter the new valueThe number after the change.
3
Read the increaseYou get the percentage, the difference and how many times larger the new value is.

Key Features

Percentage rise, absolute difference and multiplier shown together
A second mode that increases a value by a percentage you choose
Handles decreases gracefully by reporting a negative increase
Worked examples for salary rises, rent changes and price rises

Frequently Asked Questions

How do I calculate a percentage increase?

Subtract the old value from the new one, divide by the old value, then multiply by 100. From 50 to 65: (65 − 50) ÷ 50 × 100 = 30%.

What if the new value is smaller?

The result is negative, which means it is a decrease. Use the percentage decrease calculator if you want the answer stated as a positive drop.

Why can I not just add the percentages together?

Because each change applies to a different base. A 10% rise followed by another 10% rise is a 21% rise overall, not 20%, since the second rise is calculated on the already-increased amount.