https://play.goconsensus.com/s1b586639?autoplay
Check out this video to learn how to build a smart conditional formatting rule to apply to Lucid Jira cards (or other card types) that will calculate the total number of cards/issues and points along a path.
In the second half of the video, it will show how to do a similar rule - but with a % to completion of the path, based on status of cards. The video goes over how to calculate both total cards/issues in path marked as complete, and total points along path marked as complete.
https://play.goconsensus.com/s1b586639?autoplay