How do I calculate percentage decrease?

Subtract the new value from the original value to get the absolute drop, divide that drop by the original value, then multiply by 100. For example, going from 150 to 120 is a 30 decrease, and 30 ÷ 150 × 100 = 20%.

What is the formula for percentage decrease?

The standard formula is ((original value - new value) ÷ original value) × 100. It measures how much of the starting value was lost.

What is the difference between decrease and discount?

A percentage decrease is the general math concept for a value falling. A discount is one common use case where a price is reduced by a percentage.

Percentage decrease calculator

Percentage Decrease Calculator

Use this percentage decrease calculator to compare an original value with a new value. It shows the percentage decrease, the absolute drop, and the formula so you can check markdowns, budget cuts, and falling values quickly.

Percentage decrease

20%

From 150 down to 120 is a 20% decrease (30).

Absolute drop

Change status

Decrease

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