-93.91% is the change from 837 to 51
Calculation steps:
[( 51 - 837 ) ÷ 837] x 100 = -93.91%
Formula
Percentage change = [(51 - 837) / 837] x 100
Subtract the new number by the original number
51 - 837 = -786
-786 ÷ 837 = -0.9390681003584229
-0.9390681003584229 x 100 = -93.91%