What is x% of y?
x is what percent of y?
If x% of a number is y, what is the original number?
Percentage Increase/Decrease
100

12% of 300 m

36 m

100

5 is what percent of 250?

2%

100

10% of a number is 70. The original number is ____

700

100

The population of a town increased from 5,320 people to 5,652 people. Find the percentage increase in the population, correct to two decimal places.

6.24%

200

70% of 340?

238

200

36 is what percent of 60?

60%

200

6% of a number is 12. The original number is ____

200

200

Claire bought an iPod on eBay for €110. A local store sells the same iPod for €150. Claire saved what percent by purchasing the iPod on eBay?

26.6%

300

25% of 32

8

300

52 is what percent of 75?

69.33% or 69 1/3%

300

80% of a number is 30. The original number is ____

37.5

300

There were 80 hours of sunshine in May. In June, the number of hours of sunshine increased to 120. Find the percentage in the hours of sunshine.

50%

400

8% of 225 kg

18 kg

400

13.8 is what percent of 95?

14.53%

400

16% of people at an event are wearing a cap. If 208 people are wearing a cap, how many people are at the event?

1,300

400

A local store sells a camera for €270. John can purchase the same camera online and get a 30% discount. Find much will John pay for the camera online.

€189

500

The femur is about 25% of a person's height. James in 1.6m tall, his femur is ______ long.

0.4m

500

There are 60 members in a squash club, and 36 of them are male. _____ percent of the club is male. _____ percent of the club is female.

60 %

40%

500

17% of the attendance at a football match were under twelve. If 8,517 people at the match were under twelve, how many attended the match?

50,100

500

A car cost €26,000 when purchased. After two years it lost 27% of its value. Find what the car is worth after two years.

€18,980

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