Try this on for size:
Also, for some reason you had separate LISTS active in each column of your Q1 sheet, and that should really be just ONE big list so the same # of rows is active all the time, yes? Here's the data back with one LIST instead of 15.
Also, changed the Rolling Total formula to simply sum the whole column.
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How to add the macro to your sheet:
1. Open up your workbook
2. Get into VB Editor (Press Alt+F11)
3. Insert a new module (Insert > Module)
4. Copy and Paste in your code (given above)
5. Get out of VBA (Press Alt+Q)
6. Save your sheet
The macro is installed and ready to use. Press Alt-F8 and select it from the macro list.
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