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I have a lot of individual sales data (amount in USD) across different time points which is now made into a simple summary tables (separate tables in Tableau) as below:
As of 1 Jan 2019
As of 8 Jan 2019
I want to create a "heatmap" to show the week-on-week % change in each cell (e.g. as computer sales in the south region has dropped a lot I want it to be highlighted red) in a separate table. Is there an easy way to do that in Tableau (note that my base data are thousands of individual sale data per region and product type).
Thanks a lot for the help in advance!