-84.95% is the change from 837 to 126
Calculation steps:
[( 126 - 837 ) ÷ 837] x 100 = -84.95%
Formula
Percentage change = [(126 - 837) / 837] x 100
Subtract the new number by the original number
126 - 837 = -711
-711 ÷ 837 = -0.8494623655913979
-0.8494623655913979 x 100 = -84.95%