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
Expl 107.3 Ajay 131.7 -8.1
-0.9
DZON 131.3 SamQ 106.95 -1.5
-0.1
Fary 137.35 Anan 130 +1.2
-0.1
Madh 139.25 RobV 103.65 -1.0
josh 129.85 Anni 37.2 -0.9
-0.2
Bria 132.5 Kraf 86.35 +0.8
+0.1
Same 112 RegB 71.55 +0.2
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Expl 146.65 Anan 139 +19.5
+1.1
DZON 90.35 josh 127.05 +2.8
Fary 162.6 Madh 144.2 +1.7
+0.1
Kraf 137.85 Ajay 156.65 +0.8
RobV 131.65 Anni 74.3 -0.6
-0.2
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Same vs AjayIn-1.2
+0.1-0.1
Expl vs KrafIn-1.2
+0.9-0.9
DZON vs RobV-1.2In
+0.2-0.2
Anan vs MadhIn-1.2
+0.2-0.2
josh vs RegB-0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
91-0In24502710,930,317
80-197.6%434015210,928,407
Total:98.8%122535207121,858,724
Games Above .500
Chance Will Make Playoffs