How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Average seed
Chris 68 Dale 100 +0.2
Kelly 130 Clark 76 -0.1
JJ 79 Justin 45 -0.0
Week of 11/29100.0*Average seed
Kelly 91 Dale 148 +0.5
Week of 12/6None

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
10-11In10047,566,592*
Total:In10047,566,592

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs