How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
Blake 76.28 Brad 89.6 +0.4
+0.7
Luke 73.14 Brian 103.58 +0.1
-0.2
Dan 113.84 Jon 90.22 +0.1
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Brad 86.98 Chris 96.38 Out
-0.6
Blake 95.42 Gravy 109 -0.4
-0.1
Dan 85.22 Josh 113.24 +0.2
Kashif 129.46 Luke 104.9 -0.2
+0.1
Jon 109 Faisal 59.54 +0.1
Niphon 116.9 Brian 132.26 -0.1
-0.3
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Luke vs Brad-0.5+0.7
Blake vs Faisal+0.1-0.3
Josh vs Jon+0.0-0.2

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
51-0Out2824491733,294,826
40-1Out010045,145,366
Total:Out1310216578,440,192
Games Above .500
Chance Will Make Playoffs