-89.55% is the change from 603 to 63
Calculation steps:
[( 63 - 603 ) ÷ 603] x 100 = -89.55%
Formula
Percentage change = [(63 - 603) / 603] x 100
Subtract the new number by the original number
63 - 603 = -540
-540 ÷ 603 = -0.8955223880597015
-0.8955223880597015 x 100 = -89.55%