-57.36% is the change from 401 to 171
Calculation steps:
[( 171 - 401 ) ÷ 401] x 100 = -57.36%
Formula
Percentage change = [(171 - 401) / 401] x 100
Subtract the new number by the original number
171 - 401 = -230
-230 ÷ 401 = -0.57356608478803
-0.57356608478803 x 100 = -57.36%