-82.05% is the change from 858 to 154
Calculation steps:
[( 154 - 858 ) ÷ 858] x 100 = -82.05%
Formula
Percentage change = [(154 - 858) / 858] x 100
Subtract the new number by the original number
154 - 858 = -704
-704 ÷ 858 = -0.8205128205128205
-0.8205128205128205 x 100 = -82.05%