Change how a chart is sorted in a Power BI report
In a Power BI report, you can sort most visualizations alphabetically by the names of the categories in the chart, or by the numeric values of each category. For example, this chart is sorted by the category store name.
It's easy to change the sort from a category (store name) to a value (sales per square feet) instead.
Select the ellipsis (...) and choose Sort by > Sales Per Sq Ft.
If necessary, select the ellipsis again and choose Sort descending.
Not all visuals can be sorted. For example, the following visuals cannot be sorted: Treemap, Map, Filled Map, Scatter, Gauge, Card, Multi Row Card, Waterfall.
Saving changes you make to sort order
Power BI reports retain the filters, slicers, sorting, and other data view changes that you make. So if you navigate away from a report, and return later, your changes are saved. If you want to revert your changes back to the report designer's settings, select Reset to default from the top menubar.
If, however, the Reset to default button is greyed out, that means the report designer has disabled the ability to save (persist) your changes.
Sorting using other criteria
Sometimes, you want to sort your visual using a different field or other criteria. For example, you might want to sort by month (and not in alphabetical order) or you might want to sort by entire numbers instead of by digit (example, 0, 1, 9, 20 and not 0, 1, 20, 9).
In some cases, you may be able to sort the visual the way you'd like, for example, by month. But if not, it may be because the dataset behind the report needs some tweaking. Ask the report designer to update the dataset.
More about Visualizations in Power BI reports.