-31.73% is the change from 728 to 497
Calculation steps:
[( 497 - 728 ) ÷ 728] x 100 = -31.73%
Formula
Percentage change = [(497 - 728) / 728] x 100
Subtract the new number by the original number
497 - 728 = -231
-231 ÷ 728 = -0.3173076923076923
-0.3173076923076923 x 100 = -31.73%