Percentage Calculator
Calculate percentages quickly and accurately.
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📊 What is X% of Y?
What is
% of
=
?
🔢 X is what % of Y?
is what % of
=
?
📈 Percentage Increase/Decrease
From
to
=
?
➕ Increase/Decrease by %
=
?
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📖 How to Use
Calculator 1: What is X% of Y?
Enter a percentage and a number to find the result. Example: 15% of 200 = 30
Calculator 2: X is what % of Y?
Find what percentage one number is of another. Example: 30 is 15% of 200
Calculator 3: Percentage Change
Calculate the percentage increase or decrease between two values. Example: From 100 to 150 = +50%
Calculator 4: Apply Percentage
Increase or decrease a number by a percentage. Example: 100 + 20% = 120
🎯 Common Uses
- Shopping: Calculate discounts and sale prices
- Finance: Figure out tips, taxes, and interest
- School: Grade calculations and test scores
- Business: Profit margins and growth rates
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