-83.57% is the change from 858 to 141
Calculation steps:
[( 141 - 858 ) ÷ 858] x 100 = -83.57%
Formula
Percentage change = [(141 - 858) / 858] x 100
Subtract the new number by the original number
141 - 858 = -717
-717 ÷ 858 = -0.8356643356643356
-0.8356643356643356 x 100 = -83.57%