📚 Percentage Decrease
A percentage decrease (or discount) tells you how much a value has dropped compared to its original amount.
% Decrease = ((Original - New) ÷ Original) × 100
Example: Price dropped from $80 to $60
1
Find the difference: 80 - 60 = 20
2
Divide by original: 20 ÷ 80 = 0.25
3
Multiply by 100: 0.25 × 100 = 25% decrease
💡 Pro Tip: Finding Sale Price
If something is 30% off, you pay 70% of the original price.
Sale Price = Original × (100 - Discount%) ÷ 100
🎯 Try It Yourself
Try It Yourself
A $120 jacket is now $90. What's the percentage discount?
Find the discount amount ($30), divide by original ($120), multiply by 100
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