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 +8.2
+0.6
Blake 113.52 Gravy 116.64 -1.4
Niphon 82.52 Chris 122.84 +0.9
-0.1
Luke 210.76 Josh 95.96 -0.6
+0.1
Kashif 87.34 Jon 98.52 +0.4
-0.1
James 109.14 Faisal 97.66 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Brad 140.9 Faisal 133.36 +14.5
+0.7
Niphon 135.52 Jon 94.84 -4.7
-0.1
Blake 100.24 Chris 91.62 +4.6
+0.2
Kashif 96.54 Dan 91.86 +0.5
James 113.26 Josh 138.52 +0.2
+0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Brad vs Gravy+29.2Out
+0.7-0.7
James vs Dan+13.4-13.4
+0.2-0.2
Luke vs Niphon+8.7-8.7
+0.2-0.2
Chris vs Jon-2.8+2.8
-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
71-058.4%154335613,501,874
60-1Out376313,502,454
Total:29.2%821363527,004,328
Games Above .500
Chance Will Make Playoffs