How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
Tex 109.24 Tammy 141.2 +21.5
+1.2
B 107.48 Meech 95.38 -3.5
-0.1
Sean 117.12 George 130.68 +3.3
+0.2
Jay 155.54 Drew 102.58 -1.8
-0.1
Marc 120.14 Nall 116.48 -1.3
-0.1
Jason 123.3 Rell 140.1 -1.1
-0.1
MO 111.94 Joe 113.84 -0.3
Week of 11/28100.0*Chance in playoffs100.0*Average seed
MO 134.58 Tammy 116.7 -23.2
-1.2
George 103.06 Tex 110.5 -4.7
-0.2
Jason 119.74 Drew 120.64 +4.2
+0.2
Sean 168.28 Marc 161.56 -2.6
Joe 107.9 Jay 101.12 +0.8
+0.1
Meech 122.76 Nall 137.94 -0.7
+0.1
B 141.44 Rell 109.64 +0.6
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Jay vs TammyOut+31.0
-0.8+0.7
Meech vs Jason+10.2-10.2
+0.3-0.3
Tex vs Marc+2.5-2.5
Nall vs B-1.9+1.9
-0.1+0.1
Sean vs Rell+0.7-0.7
Drew vs MO+0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
71-061.9%174527115,785,546
60-1Out276585,781,994
Total:31.0%9222738411,567,540
Games Above .500
Chance Will Make Playoffs