This question already has an answer here:
Understanding reputation loss as a result of a user being removed, it'd be nice to know specifically where that reputation was lost from.
Reputation changes typically cite where reputation was gained or lost; however, it's difficult to reference the origin of where it was lost when a user is removed:
Already labeled as removed, a link to the question would indicate the source of the loss, as in:
-10 6 hours ago removed List component to bring up InputText boxes
Perhaps there's greater complexity here than I realize, such as the question itself being deleted; however, actions such as removing an upvote to a question or answer could be linked.