-98.68% is the change from 604 to 8
Calculation steps:
[( 8 - 604 ) ÷ 604] x 100 = -98.68%
Formula
Percentage change = [(8 - 604) / 604] x 100
Subtract the new number by the original number
8 - 604 = -596
-596 ÷ 604 = -0.9867549668874173
-0.9867549668874173 x 100 = -98.68%