First Step we can create one calculation.

Step1:

We can create one calc  as one.

1.png

Step 2:

Create pie chart with product and sales.

Step3:

Drag this one calc into coloumn two times and select dual axis.

Step4:

Un check aggregation in analysis menu.

Step 5:

Remove axis headers

Step6:

Select first one field in marks section and increase size of pie.

step7:

Drag the Product into colour and sales into label.

Step 8:

Select another one calc in marks and drag the new calculated total sales into label

-select mark as circle

-change colour as white

-Select size and reduce size

see image

1.png

Untitled.png

Donut chart attached.