-86.4% is the change from 809 to 110
Calculation steps:
[( 110 - 809 ) ÷ 809] x 100 = -86.4%
Formula
Percentage change = [(110 - 809) / 809] x 100
Subtract the new number by the original number
110 - 809 = -699
-699 ÷ 809 = -0.8640296662546354
-0.8640296662546354 x 100 = -86.4%