Percentage Increase Calculator
Enter an original and a new value below to instantly get the percentage increase.
Percent Increase
30%
Change of 15 from 50 to 65
The Percentage Increase Formula
Percentage increase = (new − original) ÷ original × 100
Worked example
A price rises from $50 to $65.
(65 − 50) ÷ 50 × 100 = 15 ÷ 50 × 100
Percentage increase = 30%
Frequently Asked Questions
What is the percentage increase formula?
Percentage increase = (new value − original value) ÷ original value × 100.
Can percentage increase be negative?
If the formula gives a negative number, the value actually decreased — use the percentage decrease calculator to describe that change more naturally.
How is percentage increase different from a simple difference?
A plain difference is an absolute amount (like $15). Percentage increase expresses that same change relative to the starting value, so it's comparable across different scales.
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