-93.34% is the change from 856 to 57
Calculation steps:
[( 57 - 856 ) ÷ 856] x 100 = -93.34%
Formula
Percentage change = [(57 - 856) / 856] x 100
Subtract the new number by the original number
57 - 856 = -799
-799 ÷ 856 = -0.9334112149532711
-0.9334112149532711 x 100 = -93.34%