Calculating day over day change in Tableau Desktop is a simple process that can be achieved by creating a calculated field and then using that field in your visualization.

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Step 1: Create a Calculated Field

First, you will need to create a calculated field that calculates the day over day change. To do this, go to the Analysis menu and select Create Calculated Field. In the formula area, enter the following formula:

(SUM(IF [Date] = TODAY() THEN [Sales] END) – SUM(IF [Date] = TODAY() – 1 THEN [Sales] END)) / SUM(IF [Date] = TODAY() – 1 THEN [Sales] END)

This formula calculates the day over day change by taking the current day’s sales and subtracting the previous day’s sales, and then dividing that result by the previous day’s sales.

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Step 2: Use the Calculated Field in Your Visualization

Once you have created your calculated field, you can use it in your visualization by dragging it to the Columns or Rows shelf and selecting the appropriate visualization type, such as a bar chart or line graph.

Step 3: Add Filter

You can also add filter to your visualization to only show specific date range or specific category or group.

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By following these steps, you can easily calculate and display day over day change in Tableau Desktop. This can be a powerful tool for identifying trends and patterns in your data and making informed business decisions.

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