Calculate the percentage decrease from an original value to a new value. See the decrease amount and the percentage decrease at a glance.
Enter the original value and the new (lower) value. The calculator shows how much it fell and the percentage decrease from the original.
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A percentage decrease calculator measures how much a value has fallen, expressed as a percentage of where it started. It's great for discounts, price drops and weight loss.
Decrease % = (original − new) ÷ original × 100
The decrease amount is the original minus the new value. Dividing by the original and multiplying by 100 turns it into a percentage.
The result goes negative, meaning it's actually an increase. Use the percentage increase calculator for a cleaner view in that case.
Yes. A 20% discount is a 20% decrease from the original price. The discount calculator also works out the final price for you.