-98.99% is the change from 790 to 8
Calculation steps:
[( 8 - 790 ) ÷ 790] x 100 = -98.99%
Formula
Percentage change = [(8 - 790) / 790] x 100
Subtract the new number by the original number
8 - 790 = -782
-782 ÷ 790 = -0.9898734177215189
-0.9898734177215189 x 100 = -98.99%