-37.2% is the change from 672 to 422
Calculation steps:
[( 422 - 672 ) ÷ 672] x 100 = -37.2%
Formula
Percentage change = [(422 - 672) / 672] x 100
Subtract the new number by the original number
422 - 672 = -250
-250 ÷ 672 = -0.37202380952380953
-0.37202380952380953 x 100 = -37.2%