Question

Find the percentage change from the first value to the second of 40;72

Answer 1

80%

Explanation:

The percentage change is calculated from ...

percent change = ((new)/(old) -1) × 100%

= (72/40 -1) × 100%

= (1.8 -1) × 100%

= 80%

The second value is 80% greater than the first.