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
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Kashif vs Brad-0.7+0.7
Blake vs Luke+0.2-0.2
Chris vs Josh+0.2-0.2
Niphon vs Gravy-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
52-0Out435461414,499,134
41-1Out17403578,996,396
30-2Out1736564,504,014
Total:Out192025271817,999,544
Games Above .500
Chance Will Make Playoffs