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
Jonny 92.2 Angelo 91.38 +9.7
+0.9
Chris 113.8 Brian 95.57 -0.3
Gary 71.98 Nick 104.77 -0.3
Dan 105.62 Mike 130.94 +0.1
Luke 81.92 John 57.61 -0.0
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Jonny 124.96 Chris 91.8 +25.9
+1.0
Dan 92.9 Nick 86.65 +5.8
+0.1
Ira 78.04 Angelo 152 -3.9
-0.3
Gary 113.22 Brian 107.49 +3.0
+0.1
Kevin 113.42 John 128.3 -0.7
Luke 58.97 Mike 114.72 -0.1
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Jonny vs GaryInOut
+1.7-1.7
Dan vs Brian+0.2-0.2
Luke vs Nick+0.2-0.1
Chris vs Angelo-0.1+0.1
Kevin vs Mike-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-0In2370727,006,349
60-1Out18503226,992,283
Total:50.0%123539251653,998,632
Games Above .500
Chance Will Make Playoffs