To edit the charts page:
In the Website Editor, click Pages.
Find the Charts page, or add it as a new page, and click the Edit button.
Click the arrows icon and drag to position an item, and the three dots icon to Edit, Duplicate, Preview, or Delete an item.
Click the Add New Item button and edit:
Title
Description
Chart Type (doughnut, pie, bar, line)
Add Category
Data
Click the Add Data button then click Edit to change the label name, enter the numerical data, and set the color.