1, open the ppt file, in the Insert menu, click the chart button.

2, and then in the page that appears, select "pie chart", to determine.

3, then there will be a table, edit the content needed.

4, and then right-click on the emergence of the chart, in the context of the right-click menu, click on the "Add Data Label" option.

5, and then right-click the chart, in the context menu, click on the "set data label format" option.

6, in the labeling options, only check the "percentage", to determine.

7, after completing the above settings, you can add the data in the ppt proportionality chart.