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
Ohio 109.68 Sexton 109.72 +0.6
New York 119.9 Jack 109.1 +0.1
Hirth 117.8 El-Hayek 100.2 -0.1
Week of 11/25100.0*Average seed
Sexton 93.5 Witchey 106 -0.4
Nightmares 63.1 Jack 136.2 -0.1
Hirth 38.9 Ohio 87.2 -0.1
El-Hayek 114.1 Jones 90.5 -0.1
If winner is:HomeTieAway
Week of 12/2100.0*Average seed
Sexton vs Hirth+0.3+0.0-0.3
Jones vs Ohio+0.2+0.0-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
91-0-0In75258,908,301
8.50-0-1In5050179,904
80-1-0In20808,911,335
Total:In485217,999,540
Games Above .500
Chance Will Make Playoffs