-8.18% is the change from 685 to 629
Calculation steps:
[( 629 - 685 ) ÷ 685] x 100 = -8.18%
Formula
Percentage change = [(629 - 685) / 685] x 100
Subtract the new number by the original number
629 - 685 = -56
-56 ÷ 685 = -0.08175182481751825
-0.08175182481751825 x 100 = -8.18%