Percentage Increase and Decrease with Equations

Write down the multiplier used to calculate a 8% decrease.

• 0.8

• 0.08

• 9.2

• 0.92

Decrease £220 by 20%.

• £170

• £176

• £200

• £44

Decrease £40 by 20%

• £9

• £21

• £32

• £20

Increase 150 by 40%.

• 200

• 190

• 250

• 210

Reduce 360 by 10%

• 342

• 324

• 328

• 300

Write down the multiplier used to calculate a 45% decrease.

• 0.45

• 0.55

• 45

• 55

Increase 300 by 10%

• 330

• 30

• 310

• 10

Decrease 300 by 10%

• 330

• 270

• 290

• 310

Decrease 800 by 25%

• 775

• 825

• 600

• 1000

Increase 36 by 10%

• 32.4

• 39.6

• 46

• 36.1