-93.36% is the change from 858 to 57
Calculation steps:
[( 57 - 858 ) ÷ 858] x 100 = -93.36%
Formula
Percentage change = [(57 - 858) / 858] x 100
Subtract the new number by the original number
57 - 858 = -801
-801 ÷ 858 = -0.9335664335664335
-0.9335664335664335 x 100 = -93.36%