12.74% is the change from 518 to 584
Calculation steps:
[( 584 - 518 ) ÷ 518] x 100 = 12.74%
Formula
Percentage change = [(584 - 518) / 518] x 100
Subtract the new number by the original number
584 - 518 = 66
66 ÷ 518 = 0.1274131274131274
0.1274131274131274 x 100 = 12.74%