How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/18100.0*Chance in playoffs100.0*Average seed
New York 119.9 Jack 109.1 -0.1
Jones 121 Tom Brady 63.3 Out
Week of 11/25None
Week of 12/2None

What If

Chances based on how well the Tom Brady finish out the regular season.   Explain

If finish:Chance inChance will finish regular season at seed

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs