Percentage of Total by Category in Power BI | DAX Contribution % Measure (Tamil tutorial)

 

Want to show how much each Category contributes to Total Sales in your Power BI dashboard? 🤔
In this Tamil DAX tutorial, you’ll learn how to calculate Percentage of Total (Contribution %) using a simple and powerful DAX measure.

This technique is essential when creating professional dashboards for business users — and helps clearly identify which Category, Region or Segment contributes the most to overall performance.

🔥 In this video you will learn:

• Why default visuals don’t give Contribution % in all cases

• Step-by-step DAX formula to calculate % of Total Sales

• How to use ALL() function correctly in the denominator

• How to apply the same logic for Regions / Segments / Customers

• How to show it in Bar / Pie / Matrix visuals

✅ Perfect for Power BI beginners, analysts and anyone building retail dashboards

💬 Have a doubt? Drop a comment – I’ll help you.
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