-96.75% is the change from 616 to 20
Calculation steps:
[( 20 - 616 ) ÷ 616] x 100 = -96.75%
Formula
Percentage change = [(20 - 616) / 616] x 100
Subtract the new number by the original number
20 - 616 = -596
-596 ÷ 616 = -0.9675324675324676
-0.9675324675324676 x 100 = -96.75%