Percentages

To find 2 ↓

1% = 1/100 = 1% ÷ 100

↑ (÷ 100) - To find 100

10% = 10/100 = 1/10 = 10% ÷ 10 = 50% = 2

↑ (÷ 10) - To find 10

50% = 50/100 = ½

↑ (÷8)

MODEL:

10% of 60 = 60 ÷ 10 = 6

20% of 90 = 90 ÷ 10 = 9 | 9+9 = 18

5% of 24 = 10% = 2.4 | 5% = 2.4 ÷ 2 = 1.2

15% of 24 = 10% = 2.4 | 5% = 1.2 | 1.2 + 2.4 = 3.6

65% of 600 =

50% = 300

10% = 60 (10% + 50% + 5%)

5% = 30

65% = 390

PERCENTAGE CHANGE:

change/original × 100

REVERSE PERCENTAGE: