-31.53% is the change from 720 to 493
Calculation steps:
[( 493 - 720 ) ÷ 720] x 100 = -31.53%
Formula
Percentage change = [(493 - 720) / 720] x 100
Subtract the new number by the original number
493 - 720 = -227
-227 ÷ 720 = -0.31527777777777777
-0.31527777777777777 x 100 = -31.53%