-18.75% is the change from 720 to 585
Calculation steps:
[( 585 - 720 ) ÷ 720] x 100 = -18.75%
Formula
Percentage change = [(585 - 720) / 720] x 100
Subtract the new number by the original number
585 - 720 = -135
-135 ÷ 720 = -0.1875
-0.1875 x 100 = -18.75%