-4.83% is the change from 663 to 631
Calculation steps:
[( 631 - 663 ) ÷ 663] x 100 = -4.83%
Formula
Percentage change = [(631 - 663) / 663] x 100
Subtract the new number by the original number
631 - 663 = -32
-32 ÷ 663 = -0.048265460030165915
-0.048265460030165915 x 100 = -4.83%