How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Average seed
BB 106.7 PK 99.4 +0.2
Week of 11/26100.0*Average seed
MM 111.7 BB 157.4 +0.0
Week of 12/3None

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
9-10In10084,872,208*
Total:In10084,872,208

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs