Changestream getmore profiling

While investigating performance issues on our Atlas server, we began to observe a high count of Docs Returned in the Atlas profiler. This high number of returned documents is the result of the changestream getMore calls of the cursor, and we sometimes see the number of returned documents reaching over 5000 records. We are aware that we are not making that many changes and are wondering what could explain the high number of records being returned. Is this number a cumulative count from the time the cursor was established? I