Problem with pie chart

[#1]

Hi All,

I have a problem with my pie chart.

I am working on a web analytics report.

1. I have a single column named TotalVisitors

     It has two rows

     a. new_visitors in first row (say  value is 500)

     b. repeat_visitors in second row (say value is 300)

2. I pie chart i gave  first dimension as TotalVisitors

3. In next step Sum(TotalVisitors)

4. In pie chart i get two slices

     a. new_visitors

     b. repeat_visitors

5. Here starts the problem

a. Cursor on new_visitors slice pop up, it shows

    new_visitors=500

     sum(new_visitors)=500

b. Same with repeat_visitors also.

6. I want it to show when cursor is on popup of new_visitor slice is

    new_visitors=500

     sum(TotalVisitors)=800    [sum of new + repeat]

Please help..