-97.84% is the change from 602 to 13
Calculation steps:
[( 13 - 602 ) ÷ 602] x 100 = -97.84%
Formula
Percentage change = [(13 - 602) / 602] x 100
Subtract the new number by the original number
13 - 602 = -589
-589 ÷ 602 = -0.978405315614618
-0.978405315614618 x 100 = -97.84%