7988.89% is the change from 9 to 728
Calculation steps:
[( 728 - 9 ) ÷ 9] x 100 = 7988.89%
Formula
Percentage change = [(728 - 9) / 9] x 100
Subtract the new number by the original number
728 - 9 = 719
719 ÷ 9 = 79.88888888888889
79.88888888888889 x 100 = 7988.89%