-9.07% is the change from 728 to 662
Calculation steps:
[( 662 - 728 ) ÷ 728] x 100 = -9.07%
Formula
Percentage change = [(662 - 728) / 728] x 100
Subtract the new number by the original number
662 - 728 = -66
-66 ÷ 728 = -0.09065934065934066
-0.09065934065934066 x 100 = -9.07%