Percentages
Getting a percentage of a number
Section titled “Getting a percentage of a number”10% of 200 | 20200 x 25% | 50Adding a percentage to a number
Section titled “Adding a percentage to a number”200 + 10% | 22010% on 200 | 220Taking a percentage off a number
Section titled “Taking a percentage off a number”200 - 10% | 18010% off 200 | 180One number as a percentage of/on/off another number
Section titled “One number as a percentage of/on/off another number”20 is 10% of what | 200180 is 10% off what | 200220 is 10% on what | 200Getting the change from one number to another, as a percent
Section titled “Getting the change from one number to another, as a percent”50 to 75 is what % | 50%40 to 90 as % | 125%
180 is what % off 200 | 10%180 is what % on 150 | 20%
20 is what % of 200 | 10%20 as a % of 200 | 10%
20/200 as % | 10%20/200% | 10%Operations with percentages
Section titled “Operations with percentages”10% + 20% | 30%90% - 40% | 50%10% x 20% | 2%