- Click on the black drop-down arrow in the Data pane, to the right of Dimensions.
- Select Create Calculated Field…. Alternatively, from the main menu toolbar select Analysis, and choose Create Calculated Field:

- Rename the field from Calculation 1 to Difference from Previous. Click on the Apply button and then click on OK.
- In the formula pane, type the following expression and click on the Apply button and then click on OK:
SUM([Civilian Labor Force])-LOOKUP(SUM([Civilian Labor Force]),-1)
Let's see how it looks in the following screenshot:
- The new calculated field, Difference from Previous, has appeared under Measures