-90.42% is the change from 814 to 78
Calculation steps:
[( 78 - 814 ) ÷ 814] x 100 = -90.42%
Formula
Percentage change = [(78 - 814) / 814] x 100
Subtract the new number by the original number
78 - 814 = -736
-736 ÷ 814 = -0.9041769041769042
-0.9041769041769042 x 100 = -90.42%