To calculate the of the total is reasonably straight forward. The field that is already available in the database for the Sales Amount is Total Including Tax. Using the new decomposition tre.
Add a field to the shared axis.
In this Power BI tutorial I show you how to write a single DAX measure to effectively visualize a of subtotal calculation. A doughnut chart is similar to a pie chart in that it shows the relationship of parts to a whole. Add a metric to both the column values and line values. Power BI uses INC version of the percentile formula.