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
Brian 113.82 Josh 90.16 +3.6
+0.7
Chris 112.02 Dan 93.08 +1.1
-0.1
Kashif 142.04 Niphon 108.4 -1.1
-0.1
Luke 125.36 Gravy 99.64 +1.1
Blake 84.04 Faisal 103.22 +0.5
-0.1
Brad 87.28 Jon 140.28 -0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Brian 100.82 Jon 168.04 -0.9
Dan 119.46 Faisal 110.52 +0.2
Chris 182.1 Josh 98.02 -0.2
Kashif 131.94 Brad 83 -0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Kashif vs Brian-0.7+0.7
Luke vs Faisal+0.3-0.2
Chris vs Jon+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In2173610,927,936
80-1In13464110,930,808
Total:In1143262121,858,744
Games Above .500
Chance Will Make Playoffs