-93.38% is the change from 861 to 57
Calculation steps:
[( 57 - 861 ) ÷ 861] x 100 = -93.38%
Formula
Percentage change = [(57 - 861) / 861] x 100
Subtract the new number by the original number
57 - 861 = -804
-804 ÷ 861 = -0.9337979094076655
-0.9337979094076655 x 100 = -93.38%