-34.52% is the change from 672 to 440
Calculation steps:
[( 440 - 672 ) ÷ 672] x 100 = -34.52%
Formula
Percentage change = [(440 - 672) / 672] x 100
Subtract the new number by the original number
440 - 672 = -232
-232 ÷ 672 = -0.34523809523809523
-0.34523809523809523 x 100 = -34.52%