-75.95% is the change from 711 to 171
Calculation steps:
[( 171 - 711 ) ÷ 711] x 100 = -75.95%
Formula
Percentage change = [(171 - 711) / 711] x 100
Subtract the new number by the original number
171 - 711 = -540
-540 ÷ 711 = -0.759493670886076
-0.759493670886076 x 100 = -75.95%