The details tab is not showing anything I'm not sure what's wrong gives you the percentage of your moves by piece and your end mid and beginning game mistakes is something going on with chess.com that it is not working
That has temporarily been removed die to inaccurate data.
https://www.chess.com/clubs/forum/view/where-have-the-details-gone?comment=88905047#comment-88905047
The details tab is not showing anything I'm not sure what's wrong gives you the percentage of your moves by piece and your end mid and beginning game mistakes is something going on with chess.com that it is not working