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
Bria 132.5 Kraf 86.35 +0.5
josh 129.85 Anni 37.2 +0.2
DZON 131.3 SamQ 106.95 +0.1
Same 112 RegB 71.55 -0.1
Week of 11/26100.0*Average seed
Bria 140.95 Same 149.3 -0.8
RobV 131.65 Anni 74.3 +0.1
Expl 146.65 Anan 139 +0.1
If winner is:HomeAway
Week of 12/3100.0*Average seed
Bria vs SamQ+1.0-1.0
josh vs RegB+0.2-0.2
Same vs Ajay-0.2+0.2
Fary vs Anni+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
41-0Out16454010,930,501
30-1Out841610,928,223
Total:Out8222042821,858,724
Games Above .500
Chance Will Make Playoffs