Calculate percentage decrease, find original values, or determine new values after a percentage reduction. Get detailed step-by-step calculations.
Price Reduction:
$100 → $75 = 25% decrease
Find Original:
If $80 is after 20% decrease, original = $80 ÷ 0.8 = $100
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To calculate percentage decrease: (1) Subtract the new value from the original value, (2) Divide by the original value, (3) Multiply by 100. Formula: ((Original - New) / Original) × 100.