-87.78% is the change from 851 to 104
Calculation steps:
[( 104 - 851 ) ÷ 851] x 100 = -87.78%
Formula
Percentage change = [(104 - 851) / 851] x 100
Subtract the new number by the original number
104 - 851 = -747
-747 ÷ 851 = -0.8777908343125734
-0.8777908343125734 x 100 = -87.78%