1. First, we open the Word document to be edited, and click the icon in the layout to open "Axis Title".

2. Secondly, in the pop-up window, we click to open the "under-axis title" in the main horizontal axis title.

3. Finally, we enter "Yuan" in the pop-up text box, and then drag it to the appropriate position. We repeat the above steps, open the title under the coordinate axis, enter "%"and pull it to the appropriate position.