Ranking in Lens Formula Features Visualization

I see the ranking features still not there.

Already set the Top-N data as the entire time range before this, not sure why the calculation from my Lens Formula and the Filter Ratio is not the same.

The 100% Uptime Percentage is the one I use Lens formula to calculate the Uptime Availability and the Top-N percentage ones is not the same.


I believe that Filter Ratio is an aggregation to display percentage.
Not sure why the value is not the same.