How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Average seed
Graham 98 Uncle Rodney 111 +0.6
Kara 53 Poppa 95 +0.2
Spencer 92 Uncle Scott 37 -0.2
Nonnie 41 Aunt Dar 100 -0.1
Week of 11/30100.0*Average seed
Aunt Dar 100 Uncle Rodney 136 +0.5
Spencer 106 Uncle Dave 129 +0.2
Kara 106 Uncle Scott 93 -0.1
Week of 12/7None

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
10-11In10019,285,928*
Total:In10019,285,928

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs