The page for the Google Analytics extension describes the extension as providing the following benefits:
"This widget provides the number of visitors on websites with a percentage breakdown of the source of that traffic. It will quickly and easily show you insights on your upticks in the traffic, particularly from social and referral sources. "
But I don’t see this breakdown in the widget, and also not in the reports.
It would be helpful in the widget, but most certainly in the Pro Reports to share with the client.
This is a screencap of what the ManageWP GA report looks like: