-90.31% is the change from 805 to 78
Calculation steps:
[( 78 - 805 ) ÷ 805] x 100 = -90.31%
Formula
Percentage change = [(78 - 805) / 805] x 100
Subtract the new number by the original number
78 - 805 = -727
-727 ÷ 805 = -0.9031055900621118
-0.9031055900621118 x 100 = -90.31%