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
Marc 120.14 Nall 116.48 +10.3
+1.2
B 107.48 Meech 95.38 -1.7
Sean 117.12 George 130.68 +1.4
Tex 109.24 Tammy 141.2 -1.2
Jay 155.54 Drew 102.58 -1.0
-0.2
Jason 123.3 Rell 140.1 -0.9
+0.1
MO 111.94 Joe 113.84 -0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Sean 168.28 Marc 161.56 -2.1
-1.2
B 141.44 Rell 109.64 -0.7
Joe 107.9 Jay 101.12 +0.7
Jason 119.74 Drew 120.64 +0.7
+0.1
MO 134.58 Tammy 116.7 +0.5
George 103.06 Tex 110.5 -0.1
Meech 122.76 Nall 137.94 +0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Sean vs Rell-3.4In
-0.1+0.1
Meech vs JasonIn-3.4
-0.3+0.3
Tex vs Marc-3.4In
-1.5+1.5
Nall vs B+3.0-3.0
+0.3-0.3
Jay vs Tammy-3.0+3.0
-0.3+0.3
George vs Joe-0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0In1248251135,783,928
70-193.1%4173429975,783,612
Total:96.6%624151418155311,567,540
Games Above .500
Chance Will Make Playoffs