34.07% is the change from 135 to 181
Calculation steps:
[( 181 - 135 ) ÷ 135] x 100 = 34.07%
Formula
Percentage change = [(181 - 135) / 135] x 100
Subtract the new number by the original number
181 - 135 = 46
46 ÷ 135 = 0.34074074074074073
0.34074074074074073 x 100 = 34.07%