-97.85% is the change from 604 to 13
Calculation steps:
[( 13 - 604 ) ÷ 604] x 100 = -97.85%
Formula
Percentage change = [(13 - 604) / 604] x 100
Subtract the new number by the original number
13 - 604 = -591
-591 ÷ 604 = -0.9784768211920529
-0.9784768211920529 x 100 = -97.85%