55.17% is the change from 87 to 135
Calculation steps:
[( 135 - 87 ) ÷ 87] x 100 = 55.17%
Formula
Percentage change = [(135 - 87) / 87] x 100
Subtract the new number by the original number
135 - 87 = 48
48 ÷ 87 = 0.5517241379310345
0.5517241379310345 x 100 = 55.17%