-20.98% is the change from 672 to 531
Calculation steps:
[( 531 - 672 ) ÷ 672] x 100 = -20.98%
Formula
Percentage change = [(531 - 672) / 672] x 100
Subtract the new number by the original number
531 - 672 = -141
-141 ÷ 672 = -0.20982142857142858
-0.20982142857142858 x 100 = -20.98%