-75.99% is the change from 858 to 206
Calculation steps:
[( 206 - 858 ) ÷ 858] x 100 = -75.99%
Formula
Percentage change = [(206 - 858) / 858] x 100
Subtract the new number by the original number
206 - 858 = -652
-652 ÷ 858 = -0.7599067599067599
-0.7599067599067599 x 100 = -75.99%