With the STAGIL Epic Burn-Up Chart you can visualize the progress of your epics in a simple coordinate system, that shows you:
the original estimation of Story Points
the actual Story Points
cumulative Story Points
After adding the gadget to your dashboard, choose a title. Then define the data of your report via JQL. Select Start Date and End Date and hit Save. The gadget will show you the story point burn-up over the course of time for your epics, like in this example:
To edit your chart, click on the little ellipsis in the upper right corner and choose your desired options. Here you can edit colors, delete the chart or set new conditions.