5577.78% is the change from 9 to 511
Calculation steps:
[( 511 - 9 ) ÷ 9] x 100 = 5577.78%
Formula
Percentage change = [(511 - 9) / 9] x 100
Subtract the new number by the original number
511 - 9 = 502
502 ÷ 9 = 55.77777777777778
55.77777777777778 x 100 = 5577.78%