-33.04% is the change from 672 to 450
Calculation steps:
[( 450 - 672 ) ÷ 672] x 100 = -33.04%
Formula
Percentage change = [(450 - 672) / 672] x 100
Subtract the new number by the original number
450 - 672 = -222
-222 ÷ 672 = -0.33035714285714285
-0.33035714285714285 x 100 = -33.04%