-6.55% is the change from 672 to 628
Calculation steps:
[( 628 - 672 ) ÷ 672] x 100 = -6.55%
Formula
Percentage change = [(628 - 672) / 672] x 100
Subtract the new number by the original number
628 - 672 = -44
-44 ÷ 672 = -0.06547619047619048
-0.06547619047619048 x 100 = -6.55%