14.81% is the change from 135 to 155
Calculation steps:
[( 155 - 135 ) ÷ 135] x 100 = 14.81%
Formula
Percentage change = [(155 - 135) / 135] x 100
Subtract the new number by the original number
155 - 135 = 20
20 ÷ 135 = 0.14814814814814814
0.14814814814814814 x 100 = 14.81%