-4.68% is the change from 662 to 631
Calculation steps:
[( 631 - 662 ) ÷ 662] x 100 = -4.68%
Formula
Percentage change = [(631 - 662) / 662] x 100
Subtract the new number by the original number
631 - 662 = -31
-31 ÷ 662 = -0.04682779456193353
-0.04682779456193353 x 100 = -4.68%