78.16% is the change from 87 to 155
Calculation steps:
[( 155 - 87 ) ÷ 87] x 100 = 78.16%
Formula
Percentage change = [(155 - 87) / 87] x 100
Subtract the new number by the original number
155 - 87 = 68
68 ÷ 87 = 0.7816091954022989
0.7816091954022989 x 100 = 78.16%