Quite an interesting problem.
I didn't quite get there, but maybe can lead to other ideas.
I simply put an Index() on the detail shelf and then
put that value in the title.
Unfortunately, it comes out as "Count Suppliers: 1 to 3".
Couldn't seem to turn it into a string to just get the last character(s).
Please see workbook attached in Forum Thread.
Hopefully others will have other ideas.
275292count.twbx 41.0 KB
This is done using the rank_unique function, then place the rank calculation onto the filters shelf to be able to filter out the outliers using either this or filter on the running percent total
HTH 18.1 attached
275292count.twbx 44.2 KB