Bar Chart with Variation %
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How to Set Up the Visual
After importing the visual into your Power BI report, drag the following fields into the data roles:
| Data Role | Description | Required |
|---|
| Axis | Category values on the X axis (e.g. months, products, countries) | Yes |
| Legend | Series grouping — each value becomes a group of bars | No |
| Values | The numeric measure to display | Yes |
Frequently Asked Questions
Why am I only seeing 3 categories?
The Free tier is limited to 3 categories. Upgrade to Pro via Microsoft AppSource to unlock unlimited categories.
How does the variation % calculation work?
The visual calculates the percentage variation between consecutive series within each category using: ((B − A) / |A|) × 100. For single-series charts, it compares consecutive categories left to right.
How do I change bar colors per series?
In the Format pane, open Series Colors. Each series has its own color picker. You can also set a global default and negative bar color under Bar Settings.
How do I activate my Pro license?
Purchase the Pro license on Microsoft AppSource. Once your subscription is active, the visual detects it automatically the next time you open or refresh your report — no additional steps required.
The visual is not rendering. What should I check?
Make sure at least the Axis and Values fields are populated. If the issue persists, try re-importing the .pbiviz file or contact us at support@tcviz.com.