Percents

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What is the formula for calculating percent change?

Back

Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

What is the relationship between decimals and percents?

Back

Decimals and percents are two ways of expressing the same value. To convert a decimal to a percent, multiply by 100. For example, 0.75 = 75%.

Front

How do you find the total amount after applying a percentage increase?

Back

To find the total amount after a percentage increase, multiply the original amount by (1 + percentage increase in decimal form). For example, for a 10% increase on $100: 100 * (1 + 0.10) = $110.

Front

What is the tax amount if the price of an item is $200 and the tax rate is 5%?

Back

The tax amount is calculated by multiplying the price by the tax rate: $200 * 0.05 = $10.

Front

How do you calculate the percentage of a part compared to a whole?

Back

To calculate the percentage of a part compared to a whole, divide the part by the whole and multiply by 100. For example, if 30 is part of 150, the percentage is (30 ÷ 150) * 100 = 20%.

Front

What is a markup percentage?

Back

Markup percentage is the amount added to the cost price of goods to cover overhead and profit. It is calculated as (Selling Price - Cost Price) / Cost Price * 100.

Front

How do you calculate a discount percentage?

Back

To calculate a discount percentage, divide the discount amount by the original price and multiply by 100. For example, if an item costs $50 and is discounted by $10, the discount percentage is (10 ÷ 50) * 100 = 20%.