How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Brad 87.28 Jon 140.28 -2.3
-0.7
Chris 112.02 Dan 93.08 +1.0
Kashif 142.04 Niphon 108.4 -0.8
+0.1
Luke 125.36 Gravy 99.64 +0.7
-0.1
Blake 84.04 Faisal 103.22 +0.6
Brian 113.82 Josh 90.16 +0.2
+0.2
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Kashif 131.94 Brad 83 -0.7
Blake 80.6 Luke 123.24 -0.2
Chris 182.1 Josh 98.02 +0.2
Niphon 101.8 Gravy 65.9 -0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Brad vs Gravy+0.6-0.6
Dan vs Josh+0.3-0.3
Blake vs Niphon+0.3-0.3
Luke vs Faisal-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out1241361110,928,730
30-1Out5227310,930,014
Total:Out623294221,858,744
Games Above .500
Chance Will Make Playoffs