-93.18% is the change from 836 to 57
Calculation steps:
[( 57 - 836 ) ÷ 836] x 100 = -93.18%
Formula
Percentage change = [(57 - 836) / 836] x 100
Subtract the new number by the original number
57 - 836 = -779
-779 ÷ 836 = -0.9318181818181818
-0.9318181818181818 x 100 = -93.18%