-8.38% is the change from 728 to 667
Calculation steps:
[( 667 - 728 ) ÷ 728] x 100 = -8.38%
Formula
Percentage change = [(667 - 728) / 728] x 100
Subtract the new number by the original number
667 - 728 = -61
-61 ÷ 728 = -0.08379120879120878
-0.08379120879120878 x 100 = -8.38%