-10.34% is the change from 899 to 806
Calculation steps:
[( 806 - 899 ) ÷ 899] x 100 = -10.34%
Formula
Percentage change = [(806 - 899) / 899] x 100
Subtract the new number by the original number
806 - 899 = -93
-93 ÷ 899 = -0.10344827586206896
-0.10344827586206896 x 100 = -10.34%