-0.94% is the change from 635 to 629
Calculation steps:
[( 629 - 635 ) ÷ 635] x 100 = -0.94%
Formula
Percentage change = [(629 - 635) / 635] x 100
Subtract the new number by the original number
629 - 635 = -6
-6 ÷ 635 = -0.009448818897637795
-0.009448818897637795 x 100 = -0.94%