Measure how much something has dropped - in absolute terms and as a percentage. for analyzing price reductions, weight loss, revenue drops, battery drain or efficiency improvements.
Arithmetic helper only. Do not rely on this page alone for taxes, fees, financing, interest, APR, underwriting, credit decisions, legal disclosures, or regulated financial calculations.
Enter job values, review the estimate, then use the decision hints before ordering or quoting.
Percentage Decrease = ((Original Value - New Value) / Original Value) × 100Subtract the new value from the original to get the absolute decrease, divide by the original, then multiply by 100. Negative result indicates an increase.
Absolute Decrease = Original Value - New Value
Instantly see how much you will save and what you will actually pay.
Go beyond simple increase/decrease — see absolute change, percentage change, growth multiplier and direction.
Quickly find what percentage one number is of another.
Percentage decrease is the general drop between two values. Discount is a specific type of decrease applied to the original price before purchase.
If you enter a higher new value than original, you'll get negative decrease — which is actually an increase. Switch to the Increase calculator for positive growth.