-93.31% is the change from 837 to 56
Calculation steps:
[( 56 - 837 ) ÷ 837] x 100 = -93.31%
Formula
Percentage change = [(56 - 837) / 837] x 100
Subtract the new number by the original number
56 - 837 = -781
-781 ÷ 837 = -0.9330943847072879
-0.9330943847072879 x 100 = -93.31%