-7.14% is the change from 672 to 624
Calculation steps:
[( 624 - 672 ) ÷ 672] x 100 = -7.14%
Formula
Percentage change = [(624 - 672) / 672] x 100
Subtract the new number by the original number
624 - 672 = -48
-48 ÷ 672 = -0.07142857142857142
-0.07142857142857142 x 100 = -7.14%