-98.97% is the change from 780 to 8
Calculation steps:
[( 8 - 780 ) ÷ 780] x 100 = -98.97%
Formula
Percentage change = [(8 - 780) / 780] x 100
Subtract the new number by the original number
8 - 780 = -772
-772 ÷ 780 = -0.9897435897435898
-0.9897435897435898 x 100 = -98.97%