How are these numbers calculated?

Big Games

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

Week of 11/20None
Week of 11/24100.0*Average seed
LA-Lafayette 52 South Alabama 30 +0.2
Mid Tennessee 24 Troy 21 -0.1
If winner is:HomeAway
Week of 12/1100.0*Average seed
Arkansas St vs Mid Tennessee+0.2-0.5
Florida Atl vs LA-Lafayette-0.5+0.2

What If

Chances based on how well the LA-Lafayette finish out the regular season.   Explain

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs1234567891011121314Count
41-0No65351,886,383
20-1No100826,577
Total:No45552,712,960
Points
Chance Will Make Playoffs