I believe their projections are based upon probabilities and W-L records of the season so far. As the season progresses, you'll see stronger teams' percentages increase as they garner wins.
https://www.espn.com/nfl/story/_/id/38644073/ex-cowboys-rb-walt-garrison-competed-rodeos-dies-79?platform=amp
How many remember his commercial for 'chaw'?
Being the obtuse person I am, I am not sure of the meaning of the Snickers. Is it the old catchphrase 'Not going anywhere for a while?', or are you just saying my elevator doesn't go all the way to the top floor? 🤔😁