Percentage Increase Calculator
Find the percent growth from one value to another.
Growth as a percentage
Percentage increase turns a before-and-after pair into a growth rate, the standard way to describe a price rise, a raise, or an audience jump. It scales the change to the starting value.
Going from 120 to 150 is a 25% increase — the 30-unit rise as a share of the original 120. A decrease shows as a negative percentage.
Simple and private
The calculation runs in your browser, so nothing you enter is uploaded.
Frequently Asked Questions
How is it calculated?
The difference between new and old, divided by the old value, times one hundred.
What if the value went down?
A drop shows as a negative percentage. For a positive figure, use the percentage decrease calculator.
Where is this used?
Price changes, salary raises, growth rates, and any before-and-after comparison.
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