Is there a way to see overall status of iCloud Drive in macOS?
Solution 1:
Yosemite
You can watch individual files in Finder, but there's no GUI for the progress of iCloud changes.
El Capitan
In El Capitan and later a progress bar can be accessed by clicking on the wheel in the Finder sidebar.
https://georgegarside.com/blog/macos/all-the-little-things-osx-el-capitan-hidden-features/#icloud-drive-upload-progress-indicator (my blog)