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*Average seed
New York 119.9 Jack 109.1 -0.4
Ohio 109.68 Sexton 109.72 +0.1
Week of 11/25100.0*Average seed
Sexton 93.5 Witchey 106 +0.1
Nightmares 63.1 Jack 136.2 +0.1
Hirth 38.9 Ohio 87.2 -0.0
If winner is:HomeTieAway
Week of 12/2100.0*Average seed
Jack vs Witchey+0.1+0.1-0.8
Jones vs Ohio+0.1+0.1-0.0

What If

Chances based on how well the Jack 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