35.56% is the change from 45 to 61
Calculation steps:
[( 61 - 45 ) ÷ 45] x 100 = 35.56%
Formula
Percentage change = [(61 - 45) / 45] x 100
Subtract the new number by the original number
61 - 45 = 16
16 ÷ 45 = 0.35555555555555557
0.35555555555555557 x 100 = 35.56%