-93.47% is the change from 873 to 57
Calculation steps:
[( 57 - 873 ) ÷ 873] x 100 = -93.47%
Formula
Percentage change = [(57 - 873) / 873] x 100
Subtract the new number by the original number
57 - 873 = -816
-816 ÷ 873 = -0.9347079037800687
-0.9347079037800687 x 100 = -93.47%