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
Gary 71.98 Nick 104.77 -24.0
-1.0
Jonny 92.2 Angelo 91.38 +5.6
+0.1
Dan 105.62 Mike 130.94 -2.1
Chris 113.8 Brian 95.57 +1.5
Kevin 90.5 Ira 93.18 -0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Gary 113.22 Brian 107.49 +22.9
+1.0
Ira 78.04 Angelo 152 -11.4
-0.3
Jonny 124.96 Chris 91.8 -5.9
-0.1
Kevin 113.42 John 128.3 -1.8
Luke 58.97 Mike 114.72 -1.3
-0.0
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
Luke vs Nick+30.8-17.0
+0.3-0.1
Jonny vs GaryOut+19.2
-1.1+1.1
Kevin vs Mike+2.0-1.4
+0.1-0.1
Chris vs Angelo+1.4-1.4
+0.1-0.1
Dan vs Brian-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-038.4%9306226,992,283
60-1Out336727,006,349
Total:19.2%41531163453,998,632
Games Above .500
Chance Will Make Playoffs