-8.31% is the change from 686 to 629
Calculation steps:
[( 629 - 686 ) ÷ 686] x 100 = -8.31%
Formula
Percentage change = [(629 - 686) / 686] x 100
Subtract the new number by the original number
629 - 686 = -57
-57 ÷ 686 = -0.08309037900874636
-0.08309037900874636 x 100 = -8.31%