7333.33% is the change from 9 to 669
Calculation steps:
[( 669 - 9 ) ÷ 9] x 100 = 7333.33%
Formula
Percentage change = [(669 - 9) / 9] x 100
Subtract the new number by the original number
669 - 9 = 660
660 ÷ 9 = 73.33333333333333
73.33333333333333 x 100 = 7333.33%