As has been said many times, it is based on a rolling average and will vary based on the week. Unless you understand how Page Rank works and what an Eigenvalue is, don’t worry about it. Just stake on the BEST content and down vote irrelevant content, and it will work out over the long run.
If you do know some math:
[https://drive.google.com/file/d/1Tp2HG-jJrN2xO07s3V8O_Pfyk4zPMG3E/view](https://drive.google.com/file/d/1Tp2HG-jJrN2xO07s3V8O_Pfyk4zPMG3E/view)