How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Niphon 166.92 Chris 137.64 -3.1
-0.9
Luke 73.14 Brian 103.58 +0.9
+0.1
Josh 101.2 Gravy 100.68 +0.6
-0.0
Dan 113.84 Jon 90.22 -0.5
-0.0
Kashif 103.96 Faisal 87.34 -0.2
Blake 76.28 Brad 89.6 +0.1
+0.3
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Brad 86.98 Chris 96.38 +4.3
+0.5
Blake 95.42 Gravy 109 -2.5
+0.2
Dan 85.22 Josh 113.24 +0.8
+0.1
Jon 109 Faisal 59.54 +0.5
Kashif 129.46 Luke 104.9 +0.3
-0.1
Niphon 116.9 Brian 132.26 -0.3
+0.2
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Brian vs Chris-0.1In
-1.3+0.7
Niphon vs GravyIn-0.1
-0.1+0.2
Kashif vs DanIn-0.1
-0.1+0.2
Blake vs Faisal-0.0+0.1
-0.1+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In69292050,343,362
70-199.8%21538378028,096,830
Total:99.9%452415133078,440,192
Games Above .500
Chance Will Make Playoffs