-34.82% is the change from 672 to 438
Calculation steps:
[( 438 - 672 ) ÷ 672] x 100 = -34.82%
Formula
Percentage change = [(438 - 672) / 672] x 100
Subtract the new number by the original number
438 - 672 = -234
-234 ÷ 672 = -0.3482142857142857
-0.3482142857142857 x 100 = -34.82%