2777.78% is the change from 9 to 259
Calculation steps:
[( 259 - 9 ) ÷ 9] x 100 = 2777.78%
Formula
Percentage change = [(259 - 9) / 9] x 100
Subtract the new number by the original number
259 - 9 = 250
250 ÷ 9 = 27.77777777777778
27.77777777777778 x 100 = 2777.78%