107.41% is the change from 81 to 168
Calculation steps:
[( 168 - 81 ) ÷ 81] x 100 = 107.41%
Formula
Percentage change = [(168 - 81) / 81] x 100
Subtract the new number by the original number
168 - 81 = 87
87 ÷ 81 = 1.0740740740740742
1.0740740740740742 x 100 = 107.41%