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
B 107.48 Meech 95.38 +24.9
+1.3
Sean 117.12 George 130.68 +2.7
+0.1
Jason 123.3 Rell 140.1 -2.6
Tex 109.24 Tammy 141.2 -1.0
MO 111.94 Joe 113.84 +0.4
Marc 120.14 Nall 116.48 -0.3
-0.0
Jay 155.54 Drew 102.58 -0.3
-0.0
Week of 11/28100.0*Chance in playoffs100.0*Average seed
B 141.44 Rell 109.64 +15.7
+1.2
Jason 119.74 Drew 120.64 +6.7
+0.3
George 103.06 Tex 110.5 -5.8
-0.2
MO 134.58 Tammy 116.7 +5.5
+0.2
Sean 168.28 Marc 161.56 -1.1
+0.1
Meech 122.76 Nall 137.94 +1.0
+0.2
Joe 107.9 Jay 101.12 +0.7
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Nall vs B-1.5+0.3
Jay vs Tammy-0.2+0.3
Tex vs Marc+0.3-0.3
Meech vs Jason+0.0-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0In463121229,475,722
70-1In93443155,870,090
Total:In3927239235,345,812
Games Above .500
Chance Will Make Playoffs