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*Chance in playoffs100.0*Average seed
Same 112 RegB 71.55 -1.5
-0.7
Bria 132.5 Kraf 86.35 +0.9
Madh 139.25 RobV 103.65 -0.8
Expl 107.3 Ajay 131.7 -0.4
-0.2
DZON 131.3 SamQ 106.95 -0.3
-0.0
josh 129.85 Anni 37.2 -0.2
Fary 137.35 Anan 130 +0.1
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
SamQ 154.05 RegB 135.8 -0.8
Expl 146.65 Anan 139 +0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
josh vs RegB-0.3+1.2
Same vs Ajay-0.3+0.1
Bria vs SamQ-0.1+0.1
Anan vs Madh-0.1+0.0

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
51-0Out26591511,938,486
40-1Out14365054,924,098
Total:Out522324166,862,584
Games Above .500
Chance Will Make Playoffs