How are these numbers calculated?

Big Games

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

Week of 3/30100.0*Average seed
Witcraft 8 Allen 7 -0.8
Scheck 6 K. Jackson 9 -0.3
Schoolman 6 Vos 8 -0.0
If winner is:HomeHome SOAway SOAway
Week of 4/13100.0*Average seed
Schoolman vs Riveron+0.3-0.0-0.0-0.0
Vos vs Allen-0.0-0.0+0.1+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789Count
710-0Out99118,498,407
5-6Out10038,688,860*
Total:Out39757,187,267

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs