They changed the algorithm on Dec 7, 2016.
Before: https://web.archive.org/web/20161206000344/https://www.reddit.com/
After: https://web.archive.org/web/20161208000333/https://www.reddit.com/
Best guess, based off the vote count differences of those two days, is that if you see a vote with 100,000 count, it’s likely closer to 20,000 count (divide by roughly 5 or so).
There was a post about it by KeyserSosa on Dec 6, so it’s not some conspiracy or anything.
I figured YSK.
Yeah I remember seeing a post in January 2017, I think it was a picture of Obama, that had something like 80k upvotes when I’d never seen anything on Reddit to get even half that before