How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Brad 115.76 Dan 96.04 +5.9
+0.6
Blake 113.52 Gravy 116.64 -0.9
Niphon 82.52 Chris 122.84 +0.4
-0.1
Kashif 87.34 Jon 98.52 +0.3
Luke 210.76 Josh 95.96 -0.1
+0.1
James 109.14 Faisal 97.66 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Blake 100.24 Chris 91.62 +2.6
+0.1
Niphon 135.52 Jon 94.84 -2.4
-0.1
Brad 140.9 Faisal 133.36 +2.1
+0.2
Kashif 96.54 Dan 91.86 -0.4
James 113.26 Josh 138.52 +0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Brad vs Gravy+26.6Out
+0.7-0.4
James vs Dan+10.5-4.3
+0.2-0.1
Luke vs Niphon+4.1-7.7
+0.1-0.1
Chris vs Jon-0.8+2.0
-0.2+0.4

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
71-041.2%833431629,691,953
60-1Out217953,893,847
Total:14.6%312295783,585,800
Games Above .500
Chance Will Make Playoffs