-0.16% is the change from 628 to 627
Calculation steps:
[( 627 - 628 ) ÷ 628] x 100 = -0.16%
Formula
Percentage change = [(627 - 628) / 628] x 100
Subtract the new number by the original number
627 - 628 = -1
-1 ÷ 628 = -0.0015923566878980893
-0.0015923566878980893 x 100 = -0.16%