-34.34% is the change from 728 to 478
Calculation steps:
[( 478 - 728 ) ÷ 728] x 100 = -34.34%
Formula
Percentage change = [(478 - 728) / 728] x 100
Subtract the new number by the original number
478 - 728 = -250
-250 ÷ 728 = -0.3434065934065934
-0.3434065934065934 x 100 = -34.34%