-76.22% is the change from 858 to 204
Calculation steps:
[( 204 - 858 ) ÷ 858] x 100 = -76.22%
Formula
Percentage change = [(204 - 858) / 858] x 100
Subtract the new number by the original number
204 - 858 = -654
-654 ÷ 858 = -0.7622377622377622
-0.7622377622377622 x 100 = -76.22%