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 75.45 Kashif 95.29 -0.5
-0.6
Gravy 68.77 Luke 81.7 -0.4
+0.1
James 93.34 Chris 97.62 +0.2
+0.1
Dan 64.26 Jon 66.84 -0.2
-0.1
Blake 58.78 Niphon 88.19 +0.1
+0.2
Faisal 95.41 Josh 117.3 -0.2
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Gravy 122.07 Brad 93.51 -1.0
Josh 121.58 Chris 92.01 -0.2
Jon 127.34 Faisal 130.85 +0.1
If winner is:HomeAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Blake vs Gravy-0.3+0.3
Brad vs Luke+0.2-0.2

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
41-0Out98212,856,958
30-1Out485212,860,986
Total:Out732725,717,944
Games Above .500
Chance Will Make Playoffs