I have a question concerning running totals based off an ever updating pivot table. Here is an example worksheet for my question.
I have to populate sales totals for certain time ranges based off the entire pivot table and these totals will change on a weekly basis. I have been trying to figure out a way to use the offset function to calculate time periods like "Last 4 weeks", "Last 3 months", "Year to Date".
What is the best way to approach this on a file with data that will be refreshed weekly?
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