-86.75% is the change from 604 to 80
Calculation steps:
[( 80 - 604 ) ÷ 604] x 100 = -86.75%
Formula
Percentage change = [(80 - 604) / 604] x 100
Subtract the new number by the original number
80 - 604 = -524
-524 ÷ 604 = -0.8675496688741722
-0.8675496688741722 x 100 = -86.75%