Forget Complex DAX, Use This Instead in Power BI

Why It Matters

This technique lets analysts build month‑over‑month change visuals without writing intricate DAX, accelerating insight delivery and reducing maintenance overhead.

Key Takeaways

• Visual calculations replace complex DAX for month‑over‑month trends
• Use the ‘versus previous’ option to add change line
• Conditional formatting colors positive changes green, negatives red
• Dynamic axis scaling via a DAX measure keeps visuals responsive
• Combine line and column charts for clear trend and delta view

Summary

The video demonstrates how Power BI’s new visual‑calculation feature can replace traditional, complex DAX formulas when building month‑over‑month change visuals.

Starting from a simple total‑amount measure, the author adds a ‘versus previous’ visual calculation, which automatically creates a field‑minus‑previous‑field expression. By editing the generated formula, the first month’s blank value is suppressed, and conditional formatting is applied so that positive deltas appear green and negatives red.

A key example shows August’s initial zero being hidden, while September and October display 3.54 M and 5.64 M increases respectively. The author also builds a DAX measure that returns the maximum total amount in the current filter context, multiplies it by 1.1, and binds it to the Y‑axis via field‑value formatting to keep the axis dynamically scaled.

These steps let analysts produce combined line‑and‑column charts that instantly convey both absolute trends and month‑to‑month shifts, reducing development time, minimizing errors, and delivering more responsive dashboards for business users.

Original Description

Power BI's new Visual Calculation feature allows us to do advanced business logic and analytics without the need for complicated (and often messy) DAX. In this video let me demonstrate the power of visual calculations with a cool month on month comparison chart.

Learn how to build report and perform data analysis from scratch, making your data visualization more impactful.

In the video:

0:00 - Demo of Visual Calculation driven sales report

0:25 - Data model for the report

0:50 - Creating the line chart

1:50 - Creating your first visual calculation in Power BI

3:40 - Converting the line to combination chart

4:30 - Fixing the first value in the chart (to blank)

6:15 - Dynamic coloring of columns - positive is green, negative is red

7:40 - Adjusting the axis scaling issues (advanced concept)

9:30 - Adding Axis Max as a measure for dynamic axis scaling

#powerbi #visualcalcs