-93.59% is the change from 858 to 55
Calculation steps:
[( 55 - 858 ) ÷ 858] x 100 = -93.59%
Formula
Percentage change = [(55 - 858) / 858] x 100
Subtract the new number by the original number
55 - 858 = -803
-803 ÷ 858 = -0.9358974358974359
-0.9358974358974359 x 100 = -93.59%