Percentage change

Methods

• Use these two methods to increase or decrease an amount by a percentage
• Method 1
  • Work out 26% of £280
  • 26/100 x 280
  • Percentage/100 x amount
  • Subtract the decrease
  • 280-72.80 = 207.20
• Method 2
  • Use a multiplier
  • Work out 130% of 400g
  • 100+30=130
  • 130/100=1.3
  • Multiplier of 1.3
  • 400 x 1.3 = 520