TSP problem paper

[mickey]

hi,
I don't understand what is 1.37%. 1.37 % are worse than optimal solution? (I don't thnk it could be this last as it would be good, I think)

hi, I solve it.
it is 1.37% above (longer) the optimal solution. The solution is a tour with a length 1.37% longer than the optimal.

Isn't it, right?