-96.68% is the change from 603 to 20
Calculation steps:
[( 20 - 603 ) ÷ 603] x 100 = -96.68%
Formula
Percentage change = [(20 - 603) / 603] x 100
Subtract the new number by the original number
20 - 603 = -583
-583 ÷ 603 = -0.966832504145937
-0.966832504145937 x 100 = -96.68%