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Percentage Calculator
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Frequently Asked Questions
How do I calculate percentage increase?
Percentage increase = ((New Value - Old Value) / Old Value) × 100. For example, going from $100 to $150 is a 50% increase.
How do I calculate percentage decrease?
Percentage decrease = ((Old Value - New Value) / Old Value) × 100. For example, going from $100 to $75 is a 25% decrease.
What is X percent of Y?
To find X% of Y, multiply Y by X/100. For example, 20% of 150 = 150 × (20/100) = 30.
How do I calculate percentage difference?
Percentage difference = |Value1 - Value2| / ((Value1 + Value2) / 2) × 100.