-31.18% is the change from 728 to 501
Calculation steps:
[( 501 - 728 ) ÷ 728] x 100 = -31.18%
Formula
Percentage change = [(501 - 728) / 728] x 100
Subtract the new number by the original number
501 - 728 = -227
-227 ÷ 728 = -0.3118131868131868
-0.3118131868131868 x 100 = -31.18%