How do I calculate percentage increase between two numbers?

To calculate percentage increase: (1) Subtract the original number from the new number, (2) Divide the result by the original number, (3) Multiply by 100. Formula: ((New - Original) / Original) × 100. Example: If a price increases from $50 to $65, the calculation is ((65-50)/50)×100 = 30% increase.

What is the easiest way to calculate a percentage of a number?

The easiest method is to multiply the number by the percentage and divide by 100. Formula: (Number × Percentage) / 100. For example, to find 15% of 200: (200 × 15) / 100 = 30. Our calculator shows the step-by-step breakdown instantly.

Can this calculator help me calculate restaurant tips?

Yes! Enter your bill amount and tip percentage (15%, 18%, or 20%). For a $85 bill with 20% tip: $85 × 0.20 = $17 tip, making your total $102. The calculator shows the tip amount and final total instantly.

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