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
MO 111.94 Joe 113.84 +10.7
+1.2
B 107.48 Meech 95.38 -1.5
Sean 117.12 George 130.68 +1.5
Jason 123.3 Rell 140.1 -1.1
Marc 120.14 Nall 116.48 -1.0
-0.2
Tex 109.24 Tammy 141.2 -0.5
+0.1
Jay 155.54 Drew 102.58 -0.3
-0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Joe 107.9 Jay 101.12 In
+1.4
MO 134.58 Tammy 116.7 +0.7
+0.1
Jason 119.74 Drew 120.64 +0.4
+0.1
George 103.06 Tex 110.5 -0.3
B 141.44 Rell 109.64 -0.2
Sean 168.28 Marc 161.56 +0.2
+0.2
Meech 122.76 Nall 137.94 +0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
George vs Joe-0.5+0.5

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
91-0In1005,782,369
80-1In1005,785,171
Total:In505011,567,540
Games Above .500
Chance Will Make Playoffs