13.31% is the change from 586 to 664
Calculation steps:
[( 664 - 586 ) ÷ 586] x 100 = 13.31%
Formula
Percentage change = [(664 - 586) / 586] x 100
Subtract the new number by the original number
664 - 586 = 78
78 ÷ 586 = 0.13310580204778158
0.13310580204778158 x 100 = 13.31%