-64.29% is the change from 672 to 240
Calculation steps:
[( 240 - 672 ) ÷ 672] x 100 = -64.29%
Formula
Percentage change = [(240 - 672) / 672] x 100
Subtract the new number by the original number
240 - 672 = -432
-432 ÷ 672 = -0.6428571428571429
-0.6428571428571429 x 100 = -64.29%