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Page 1

100 > 250

100 / 100 = 1

1 / 150

150%

200 > 400

200 - 100

400 - 200

600 - 300

800 - 400

50 > 200

0.5 = 1%

150 / 0.5 = 300%

75 > 150

75 / 100 = 0.75

0.75 = 1%

75 / 0.75 = 100

Example 1

Find the percentage increase between 100 kg to 250 kg

1) (Divide the starting number by 100 to get 1%) 100 / 100 = 1%

2) (Now divide the 1% by the result number, e.g. 250)

1 / 150 = 150%

The increase in percentage is 150%.

Example 2

200kg to 400kg

200 - 100%

400 - 200%

600 - 300%

800 - 400%

Example 3

50kg to 200kg

1) 0.5 = 1%

2)150 / 0.5 = 300%

Example 4

75kg to 150kg

1) 75 / 100 = 0.75 = 1%

2) 75 / 0.75 = 100

Sally usually buys 135.50 kg of rice for family. This time she bough 177.80 kg what is the % increase

Adding and Subtracting pluses and minuses

Finding an increase as a %