-0.32% is the change from 629 to 627
Calculation steps:
[( 627 - 629 ) ÷ 629] x 100 = -0.32%
Formula
Percentage change = [(627 - 629) / 629] x 100
Subtract the new number by the original number
627 - 629 = -2
-2 ÷ 629 = -0.003179650238473768
-0.003179650238473768 x 100 = -0.32%