-97.89% is the change from 616 to 13
Calculation steps:
[( 13 - 616 ) ÷ 616] x 100 = -97.89%
Formula
Percentage change = [(13 - 616) / 616] x 100
Subtract the new number by the original number
13 - 616 = -603
-603 ÷ 616 = -0.9788961038961039
-0.9788961038961039 x 100 = -97.89%