Question 1

How do I calculate what percentage one number is of another?

Accepted Answer

Divide the first number by the second number, then multiply by 100. For example, to find what percent 25 is of 100: (25 ÷ 100) × 100 = 25%

Question 2

How do I calculate a percentage of a number?

Accepted Answer

Convert the percentage to a decimal (divide by 100) and multiply by the number. For example, 20% of 150: 0.20 × 150 = 30

Question 3

How do I calculate percentage change?

Accepted Answer

Subtract the original value from the new value, divide by the original value, then multiply by 100. Positive result = increase, negative = decrease.

Question 4

How do I calculate a discount percentage?

Accepted Answer

Multiply the original price by the discount percentage (as a decimal), then subtract from the original price. Or use: Final Price = Original × (1 - Discount%)

Question 5

Can this calculator handle tip calculations?

Accepted Answer

Yes! Simply enter the bill amount and tip percentage, and the calculator will show both the tip amount and the total including tip.

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