Company managed Jira Cloud. It's Gov Cloud if that makes any difference.
On the Backlog Insights > Sprint Commitment > Total Complete, I've found a couple of examples where it is over 100% because the team completed more points than they committed to at the start of the sprint. However, I've yet to find an instance across any of my teams where it was less than 100%, even when I know that they completed less than they committed to. In some cases, the stories were moved out before closing the sprint. In other cases, the stories were moved as part of closing the sprint. In both cases, the % complete should be less than 100%, but it never is. How is that being calculated?