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Worked percentage examples

Choose a question. See the answer, the method and an editable calculator.

These 24 examples cover percentage amounts, marks, changes, discounts and finding a whole or original amount. Each page explains its starting numbers and lets you try your own calculation.

Percentage of a number

What is 5% of 1,000?5% of 1,000 is 50.View calculation What is 10% of 1,000?10% of 1,000 is 100.View calculation What is 15% of 200?15% of 200 is 30.View calculation What is 15% of 1,000?15% of 1,000 is 150.View calculation What is 20% of 1,000?20% of 1,000 is 200.View calculation What is 25% of 200?25% of 200 is 50.View calculation What is 30% of 500?30% of 500 is 150.View calculation What is 12.5% of 200?12.5% of 200 is 25.View calculation

Marks and proportions

450 out of 600 as a percentage450 out of 600 is 75%.View calculation 45 out of 60 as a percentage45 out of 60 is 75%.View calculation 18 out of 20 as a percentage18 out of 20 is 90%.View calculation 80 out of 100 as a percentage80 out of 100 is 80%.View calculation

Percentage increase and decrease

Percentage increase from 80 to 100From 80 to 100 is a 25% increase.View calculation Percentage decrease from 100 to 80From 100 to 80 is a 20% decrease.View calculation Percentage increase from 50 to 75From 50 to 75 is a 50% increase.View calculation Percentage increase from 40,000 to 46,000From 40,000 to 46,000 is a 15% increase.View calculation

Discounts and final prices

20% off 10020% off 100 is 80. You save 20.View calculation 20% off 1,00020% off 1,000 is 800. You save 200.View calculation 15% off 20015% off 200 is 170. You save 30.View calculation 10% off 1,00010% off 1,000 is 900. You save 100.View calculation

Find the whole or original amount

30 is 15% of what number?30 is 15% of 200.View calculation 50 is 20% of what number?50 is 20% of 250.View calculation Original price before a 20% discount: final price 800The original price was 1,000. A 20% discount saves 200 and leaves 800.View calculation Original amount before a 20% increase: final amount 1,200The original amount was 1,000. A 20% increase adds 200 to give 1,200.View calculation

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