74.84% is the change from 155 to 271
Calculation steps:
[( 271 - 155 ) ÷ 155] x 100 = 74.84%
Formula
Percentage change = [(271 - 155) / 155] x 100
Subtract the new number by the original number
271 - 155 = 116
116 ÷ 155 = 0.7483870967741936
0.7483870967741936 x 100 = 74.84%