-90.46% is the change from 818 to 78
Calculation steps:
[( 78 - 818 ) ÷ 818] x 100 = -90.46%
Formula
Percentage change = [(78 - 818) / 818] x 100
Subtract the new number by the original number
78 - 818 = -740
-740 ÷ 818 = -0.9046454767726161
-0.9046454767726161 x 100 = -90.46%