-8.24% is the change from 728 to 668
Calculation steps:
[( 668 - 728 ) ÷ 728] x 100 = -8.24%
Formula
Percentage change = [(668 - 728) / 728] x 100
Subtract the new number by the original number
668 - 728 = -60
-60 ÷ 728 = -0.08241758241758242
-0.08241758241758242 x 100 = -8.24%