Calculators

Percentage Decrease Calculator

Find the percentage decrease from an original value to a new smaller value.

Percentage Decrease Calculator

Decrease is 25% Compare the change with the original value.

Percentage Decrease Formula

Use this formula when a value goes down:

percentage decrease = ((original value - new value) / original value) x 100

The result tells you how large the drop is compared with the original value.

Worked Examples

OriginalNewDecreasePercentage decrease
100752525%
60481220%
2502005020%
90721820%

Common Uses

  • Store discounts.
  • Price drops.
  • Lower monthly costs.
  • Fewer points, votes, sales, or visits.
  • Classroom percent change practice.

Step-by-Step Example

A jacket drops from 120 to 90.

  1. Subtract: 120 - 90 = 30.
  2. Divide by the original value: 30 / 120 = 0.25.
  3. Multiply by 100: 0.25 x 100 = 25%.

The percentage decrease is 25%.

FAQ

Is a discount a percentage decrease?

Yes. A 30% discount means the price decreased by 30% from the original price.

What if the new value is higher?

Use the percentage increase calculator instead.