How do I calculate percentage decrease?

Formula: ((Original Value - New Value) / Original Value) × 100. This calculator does it instantly.

What's an example of percentage decrease?

If a $100 item goes on sale for $75, that's a 25% decrease in price.

Yes, for pricing. Discount percentage is the same as percentage decrease from original price.

Calculate the percentage decrease between two values, including discounts

Original Value

New Value

Percentage Decrease

25.00%

Absolute Decrease

25.00

Formula: ((Original Value - New Value) / Original Value) × 100

Perfect for calculating discounts, price drops, and weight loss percentages.

From $100 to $80 = 20% decrease. From $100 to $75 = 25% decrease.

Percentage decrease shows how much a value has fallen relative to its original amount.

Last updated: February 2026

How do I calculate a discount?

A discount percentage is a percentage decrease. Use this calculator to find what percent off an item is.

Is this used for weight loss?

Yes! If you weighed 200 lbs and now weigh 180 lbs, that's a 10% decrease in weight.

What if the new value is higher?

If the new value is higher than original, use the Percentage Increase calculator instead.

Explore more calculators and converters for related scenarios.

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