How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
Arkansas 17 Miss. St 24 +0.2
Ole Miss 10 Missouri 24 +0.1
If winner is:HomeAway
Week of 11/28100.0*Average seed
Miss. St vs Ole Miss+0.5-0.5

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910Count
-21-0No100964,518
-40-1No1001,145,478
Total:No46542,109,996
Points
Chance Will Make Playoffs