-36.31% is the change from 672 to 428
Calculation steps:
[( 428 - 672 ) ÷ 672] x 100 = -36.31%
Formula
Percentage change = [(428 - 672) / 672] x 100
Subtract the new number by the original number
428 - 672 = -244
-244 ÷ 672 = -0.3630952380952381
-0.3630952380952381 x 100 = -36.31%