-1.1% is the change from 636 to 629
Calculation steps:
[( 629 - 636 ) ÷ 636] x 100 = -1.1%
Formula
Percentage change = [(629 - 636) / 636] x 100
Subtract the new number by the original number
629 - 636 = -7
-7 ÷ 636 = -0.0110062893081761
-0.0110062893081761 x 100 = -1.1%