A finished receipt answers three separate questions: what was the target, what did Campground deliver, and what did Instagram publicly show?
The three numbers
Plan target
Plan target
The approximate paid-like level attached to the plan for an eligible post.
About 50 means the result is expected to land in a small range around
50—not exactly 50 every time.
Campground delivery
Campground delivery
The paid likes Campground recorded as delivered for this post. This is the
receipt-backed result.
Instagram public total
Instagram public total
The total likes Instagram displayed publicly when Campground checked. It can
include likes that were already present, Campground delivery, and other
activity. Instagram does not label the source of each individual like.