Here are some limitation from my experimenting.
1. By default in VA 8.X, the measures are displayed as columns. There is an option to switch the rows and columns. That is how I assume you created your current view. With changing the columns to rows, if you create another measure for the difference then it can not be on the column next to 2022.
2. To create the difference between a measure, a calculation has to be created for each measure. This can be as simple as: right click on measure--> new calculation-->
3. With knowing that you have to create an aggregation for each difference, you will need to experiment with different layouts.
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