-7.57% is the change from 185 to 171
Calculation steps:
[( 171 - 185 ) ÷ 185] x 100 = -7.57%
Formula
Percentage change = [(171 - 185) / 185] x 100
Subtract the new number by the original number
171 - 185 = -14
-14 ÷ 185 = -0.07567567567567568
-0.07567567567567568 x 100 = -7.57%