9.36% is the change from 171 to 187
Calculation steps:
[( 187 - 171 ) ÷ 171] x 100 = 9.36%
Formula
Percentage change = [(187 - 171) / 171] x 100
Subtract the new number by the original number
187 - 171 = 16
16 ÷ 171 = 0.0935672514619883
0.0935672514619883 x 100 = 9.36%