How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Average seed
Michael 11 Ethan 15 +0.2
Michael 12 Miles 14 +0.2
Michael 7 Zakk 12 +0.1
If winner is:HomeAway
Week of 12/5100.0*Average seed
Kiel vs Zakk+0.3-0.3

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
32-0Out10012,873,278
21-1Out346625,709,323
10-2Out10012,863,341
Total:Out425851,445,942
Games Above .500
Chance Will Make Playoffs