Percentage increases/ decreases

• Increase £45 by 30%

  100% + 30%= 130% = 1.3

  45 x 1.3= £58.50
• decrease £600 by 7%

  100% - 7%= 93% = 0.93

  600x0.93=£558
• decrease £520 by 4.5%

  100% - 4.5%= 95.5%= 0.955

  520x0.955=£496.6
• Increase £54 by 19%

  100% + 19%= 119%= 1.19

  54x1.19=£64.26