-8.57% is the change from 175 to 160
Calculation steps:
[( 160 - 175 ) ÷ 175] x 100 = -8.57%
Formula
Percentage change = [(160 - 175) / 175] x 100
Subtract the new number by the original number
160 - 175 = -15
-15 ÷ 175 = -0.08571428571428572
-0.08571428571428572 x 100 = -8.57%