-70.23% is the change from 571 to 170
Calculation steps:
[( 170 - 571 ) ÷ 571] x 100 = -70.23%
Formula
Percentage change = [(170 - 571) / 571] x 100
Subtract the new number by the original number
170 - 571 = -401
-401 ÷ 571 = -0.702276707530648
-0.702276707530648 x 100 = -70.23%