-6.86% is the change from 175 to 163
Calculation steps:
[( 163 - 175 ) ÷ 175] x 100 = -6.86%
Formula
Percentage change = [(163 - 175) / 175] x 100
Subtract the new number by the original number
163 - 175 = -12
-12 ÷ 175 = -0.06857142857142857
-0.06857142857142857 x 100 = -6.86%