-0.58% is the change from 172 to 171
Calculation steps:
[( 171 - 172 ) ÷ 172] x 100 = -0.58%
Formula
Percentage change = [(171 - 172) / 172] x 100
Subtract the new number by the original number
171 - 172 = -1
-1 ÷ 172 = -0.005813953488372093
-0.005813953488372093 x 100 = -0.58%