-90.35% is the change from 808 to 78
Calculation steps:
[( 78 - 808 ) ÷ 808] x 100 = -90.35%
Formula
Percentage change = [(78 - 808) / 808] x 100
Subtract the new number by the original number
78 - 808 = -730
-730 ÷ 808 = -0.9034653465346535
-0.9034653465346535 x 100 = -90.35%