-75.5% is the change from 800 to 196
Calculation steps:
[( 196 - 800 ) ÷ 800] x 100 = -75.5%
Formula
Percentage change = [(196 - 800) / 800] x 100
Subtract the new number by the original number
196 - 800 = -604
-604 ÷ 800 = -0.755
-0.755 x 100 = -75.5%