-71.59% is the change from 602 to 171
Calculation steps:
[( 171 - 602 ) ÷ 602] x 100 = -71.59%
Formula
Percentage change = [(171 - 602) / 602] x 100
Subtract the new number by the original number
171 - 602 = -431
-431 ÷ 602 = -0.7159468438538206
-0.7159468438538206 x 100 = -71.59%