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
Luke 125.36 Gravy 99.64 +0.2
-0.2
Brad 87.28 Jon 140.28 -0.2
-0.2
Chris 112.02 Dan 93.08 +0.0
Kashif 142.04 Niphon 108.4 +0.1
Brian 113.82 Josh 90.16 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Kashif 131.94 Brad 83 -0.3
Blake 80.6 Luke 123.24 -0.3
Niphon 101.8 Gravy 65.9 -0.2
Chris 182.1 Josh 98.02 +0.0
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Brad vs Gravy+0.9-0.5
Dan vs Josh+0.1-0.3
Blake vs Niphon+0.1-0.3
Luke vs Faisal-0.1+0.0

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
41-0Out185325422,656,392
30-1Out9266442,919,840
Total:Out625264365,576,232
Games Above .500
Chance Will Make Playoffs