How are these numbers calculated?

Big Games

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

Week of 3/3100.0*Average seed
Columbo 10 Sherlock Holmes 7 +0.2
Week of 3/10None

What If

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

100100100100
If finish:ChanceChance will finish season at seed
TPWL-OTwins title1234Count
1110-0No937158,477,028
9-10No100162,821,460*
Total:No4654321,298,488

* Row combines multiple less frequent records.

Points
Chance Will Win Championship