Percentage Calculator
Instantly calculate percentages, percent changes, and reverse percentages. Perfect for computing discounts, sales tax, and growth analysis.
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Applications
Quickly calculate discounts during seasonal sales, estimate tips at restaurants, or analyze population and financial growth rates.
The Formula
Standard Percentage: (Value / Total) × 100 . Percentage Increase: ((New - Old) / Old) × 100 .
Fun Fact: The % symbol evolved from the Italian term 'per cento', which means 'by the hundred'.
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