-97.08% is the change from 616 to 18
Calculation steps:
[( 18 - 616 ) ÷ 616] x 100 = -97.08%
Formula
Percentage change = [(18 - 616) / 616] x 100
Subtract the new number by the original number
18 - 616 = -598
-598 ÷ 616 = -0.9707792207792207
-0.9707792207792207 x 100 = -97.08%