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
Madh 139.25 RobV 103.65 -2.2
josh 129.85 Anni 37.2 +2.1
+0.2
Bria 132.5 Kraf 86.35 +1.5
+0.1
DZON 131.3 SamQ 106.95 -0.4
-0.0
Expl 107.3 Ajay 131.7 -0.3
+0.2
Fary 137.35 Anan 130 +0.2
-0.0
Same 112 RegB 71.55 +0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
DZON 90.35 josh 127.05 In
+0.7
Kraf 137.85 Ajay 156.65 -0.6
Expl 146.65 Anan 139 -0.5
-0.1
Fary 162.6 Madh 144.2 +0.3
+0.0
RobV 131.65 Anni 74.3 -0.0
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
josh vs RegB+0.2-0.9
DZON vs RobV+0.4-0.2
Fary vs Anni-0.0+0.2
Expl vs Kraf-0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
101-0In1554454,924,098
90-1In4405611,938,486
Total:In146431066,862,584
Games Above .500
Chance Will Make Playoffs