Percentages are a way to express a number or amount as a fraction of 100. For example, 25% is the same as saying 25 out of every 100. We can use percentages to compare parts of a whole or to compare amounts of money.
percentages of numbers and money
Percentage: A number or ratio that is expressed as a fraction of 100. It is used to compare one quantity to another or to measure how much one quantity changes in relation to another.
Percent Increase: The percent increase is the amount of change that occurs over a period of time expressed as a percentage of the original amount.
Percentage of a Number: A percentage of a number is a fraction of the number that has been multiplied by 100. This is what is used to calculate a percent increase or a percent decrease.
If you have $20 and spend 30% of it, how much money will you have left?
If a toy costs $10 and it's on sale for 20% off, how much will it cost?