-39.06% is the change from 663 to 404
Calculation steps:
[( 404 - 663 ) ÷ 663] x 100 = -39.06%
Formula
Percentage change = [(404 - 663) / 663] x 100
Subtract the new number by the original number
404 - 663 = -259
-259 ÷ 663 = -0.39064856711915535
-0.39064856711915535 x 100 = -39.06%