Find the percentage decrease between an old value and a new, smaller value.
Find the percentage decrease between an old value and a new, smaller value.
Enter values above and click Calculate — results will appear here with the formula explained.
Percentage decrease expresses how much a value fell relative to its starting point. Subtract the new value from the original, divide by the original, then multiply by 100.
Keep the original value as the denominator. A price cut from $200 to $150 is a 25% decrease, even though $50 divided by the new price ($150) would give a misleading 33%.
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Percentage decrease expresses how much a value fell relative to its starting point. Subtract the new value from the original, divide by the original, then multiply by 100. Formula: decrease % = ((original − new) ÷ |original|) × 100
Percentage Decrease Calculator computes find the percentage decrease between an old value and a new, smaller value. Formula: decrease % = ((original − new) ÷ |original|) × 100. Example: A TV drops in price from $400 to $340.
Find the percentage decrease between an old value and a new, smaller value. Formula: decrease % = ((original − new) ÷ |original|) × 100
| Field | What to enter |
|---|---|
| Starting value | e.g. 250 |
| New value | e.g. 200 |
All fields use the exact formulas shown below — results include step-by-step breakdowns you can verify by hand.
Percentage decrease expresses how much a value fell relative to its starting point. Subtract the new value from the original, divide by the original, then multiply by 100.
Keep the original value as the denominator. A price cut from $200 to $150 is a 25% decrease, even though $50 divided by the new price ($150) would give a misleading 33%.
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A TV drops in price from $400 to $340. The fall is $60, and 60 ÷ 400 = 0.15, so the discount is a 15% decrease.
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