How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Dan 105.62 Mike 130.94 +16.2
+1.1
Jonny 92.2 Angelo 91.38 +2.4
+0.1
Chris 113.8 Brian 95.57 +1.8
-0.1
Kevin 90.5 Ira 93.18 +0.4
Luke 81.92 John 57.61 +0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Luke 58.97 Mike 114.72 In
+0.6
Gary 113.22 Brian 107.49 -2.1
-0.1
Ira 78.04 Angelo 152 -1.0
Jonny 124.96 Chris 91.8 -0.8
+0.2
Dan 92.9 Nick 86.65 +0.8
+0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Kevin vs Mike-1.0+1.0
Chris vs Angelo-0.3+0.3
Ira vs John-0.2+0.3

What If

Chances based on how well the Mike finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In50508,999,916
80-1In50508,999,628
Total:In2525252517,999,544
Games Above .500
Chance Will Make Playoffs