-86.5% is the change from 800 to 108
Calculation steps:
[( 108 - 800 ) ÷ 800] x 100 = -86.5%
Formula
Percentage change = [(108 - 800) / 800] x 100
Subtract the new number by the original number
108 - 800 = -692
-692 ÷ 800 = -0.865
-0.865 x 100 = -86.5%