20.65% is the change from 155 to 187
Calculation steps:
[( 187 - 155 ) ÷ 155] x 100 = 20.65%
Formula
Percentage change = [(187 - 155) / 155] x 100
Subtract the new number by the original number
187 - 155 = 32
32 ÷ 155 = 0.2064516129032258
0.2064516129032258 x 100 = 20.65%