PercentSwift tool

Percentage Decrease Calculator

Use this percentage decrease calculator to find the percent drop from an original value to a lower value.

Calculator

Enter your numbers

Result

Enter values to calculate

The formula will appear here.

Examples

Common calculations

  • 200 to 150 = 25% decrease
  • 100 to 80 = 20% decrease
  • 60 to 45 = 25% decrease

Drops, reductions, and declines

Useful for measuring lower prices, reduced quantities, shrinking budgets, weight changes, or other downward movement.

FAQ

Percentage Decrease Calculator questions

What is the percentage decrease formula?

Use ((old value - new value) / old value) x 100, or use the change formula and read a negative result as a decrease.

Can I enter decimals?

Yes. Decimal values are supported.