Power BI Masterclass - Your Turn: Real-World Power BI DAX Challenge

The video tutorial guides viewers through solving a real-world scenario involving calculating the percentage difference in average sales compared to the previous month. It begins with setting up a table for visualization, calculating average sales, and creating a measure using variables in Power BI. The tutorial emphasizes using the divide function to avoid errors and concludes with testing the formula to ensure accuracy.

What new insight or understanding did you gain from this video?