509.09% is the change from 11 to 67
Calculation steps:
[( 67 - 11 ) ÷ 11] x 100 = 509.09%
Formula
Percentage change = [(67 - 11) / 11] x 100
Subtract the new number by the original number
67 - 11 = 56
56 ÷ 11 = 5.090909090909091
5.090909090909091 x 100 = 509.09%