-71.55% is the change from 601 to 171
Calculation steps:
[( 171 - 601 ) ÷ 601] x 100 = -71.55%
Formula
Percentage change = [(171 - 601) / 601] x 100
Subtract the new number by the original number
171 - 601 = -430
-430 ÷ 601 = -0.7154742096505824
-0.7154742096505824 x 100 = -71.55%