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⚡ Smart Percentage Calculator
Calculate, Learn & Earn XP points — a fun, gamified percentage calculator for increase, decrease, discounts, and more!
🏆 XP Points: 0
Ready to calculate...
🔥 Daily Math Challenge
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📘 How Percentage Calculation Works
Percentage represents a ratio out of 100. Whether calculating profits, grades, or discounts — this calculator simplifies your math instantly. Example: 20% of 250 = (20/100)×250 = 50.
Formula: ((New Value − Old Value) ÷ Old Value) × 100
Yes! Choose “A% of B” to find sale price or profit easily.
Enter the GST rate and base amount using “A% of B” — the result gives total tax.
Perform calculations or complete challenges — you’ll automatically gain XP and upgrade badges.