-80.42% is the change from 858 to 168
Calculation steps:
[( 168 - 858 ) ÷ 858] x 100 = -80.42%
Formula
Percentage change = [(168 - 858) / 858] x 100
Subtract the new number by the original number
168 - 858 = -690
-690 ÷ 858 = -0.8041958041958042
-0.8041958041958042 x 100 = -80.42%