Percentage Decrease Calculator
Calculate the percentage decrease between an original value and a new (lower) value.
Percentage Decrease
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Percentage Decrease Formula
% Decrease = ((Original − New Value) / Original) × 100
Example: Original = 100, New = 75
% Decrease = ((100 − 75) / 100) × 100 = 25%
% Decrease = ((100 − 75) / 100) × 100 = 25%
FAQ
What if the new value is higher?
This calculator shows the absolute percentage change. If the new value is higher, use the Percentage Increase Calculator instead.
Last updated: 2026-08-08