10.32% is the change from 155 to 171
Calculation steps:
[( 171 - 155 ) ÷ 155] x 100 = 10.32%
Formula
Percentage change = [(171 - 155) / 155] x 100
Subtract the new number by the original number
171 - 155 = 16
16 ÷ 155 = 0.1032258064516129
0.1032258064516129 x 100 = 10.32%