60.71% is the change from 28 to 45
Calculation steps:
[( 45 - 28 ) ÷ 28] x 100 = 60.71%
Formula
Percentage change = [(45 - 28) / 28] x 100
Subtract the new number by the original number
45 - 28 = 17
17 ÷ 28 = 0.6071428571428571
0.6071428571428571 x 100 = 60.71%