Percentage Decrease Calculator
Formula
% Decrease = ((Old − New) ÷ Old) × 100
To calculate percentage decrease, subtract the new value from the original value, divide by the original value, and multiply by 100.
Frequently Asked Questions
What is the percentage decrease from 200 to 150?
The percentage decrease from 200 to 150 is 25%. (200 − 150) ÷ 200 × 100 = 25%.
Is a 50% decrease the opposite of a 50% increase?
No. A 50% increase on 100 gives 150. A 50% decrease on 150 gives 75, not 100. Percentage changes are not symmetrical.