-5.65% is the change from 672 to 634
Calculation steps:
[( 634 - 672 ) ÷ 672] x 100 = -5.65%
Formula
Percentage change = [(634 - 672) / 672] x 100
Subtract the new number by the original number
634 - 672 = -38
-38 ÷ 672 = -0.05654761904761905
-0.05654761904761905 x 100 = -5.65%