8988.89% is the change from 9 to 818
Calculation steps:
[( 818 - 9 ) ÷ 9] x 100 = 8988.89%
Formula
Percentage change = [(818 - 9) / 9] x 100
Subtract the new number by the original number
818 - 9 = 809
809 ÷ 9 = 89.88888888888889
89.88888888888889 x 100 = 8988.89%