45.68% is the change from 81 to 118
Calculation steps:
[( 118 - 81 ) ÷ 81] x 100 = 45.68%
Formula
Percentage change = [(118 - 81) / 81] x 100
Subtract the new number by the original number
118 - 81 = 37
37 ÷ 81 = 0.4567901234567901
0.4567901234567901 x 100 = 45.68%