-85.31% is the change from 851 to 125
Calculation steps:
[( 125 - 851 ) ÷ 851] x 100 = -85.31%
Formula
Percentage change = [(125 - 851) / 851] x 100
Subtract the new number by the original number
125 - 851 = -726
-726 ÷ 851 = -0.8531139835487661
-0.8531139835487661 x 100 = -85.31%