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
Jay 155.54 Drew 102.58 +2.3
+0.3
B 107.48 Meech 95.38 -2.1
+0.1
Jason 123.3 Rell 140.1 +0.8
+0.2
Sean 117.12 George 130.68 +0.5
-0.1
MO 111.94 Joe 113.84 +0.4
-0.1
Tex 109.24 Tammy 141.2 -0.3
+0.1
Marc 120.14 Nall 116.48 -0.1
-0.0
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Joe 107.9 Jay 101.12 -2.1
-1.3
George 103.06 Tex 110.5 -1.4
Jason 119.74 Drew 120.64 +1.3
+0.1
Meech 122.76 Nall 137.94 +1.2
+0.4
B 141.44 Rell 109.64 -0.7
Sean 168.28 Marc 161.56 -0.5
+0.3
MO 134.58 Tammy 116.7 +0.2
+0.2
If winner is:HomeAway
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Jay vs TammyIn-15.5
+1.2-1.6
Sean vs Rell-11.5+11.5
-0.3+0.3
Meech vs Jason-6.7+8.9
-0.5+0.6
Nall vs B+9.0-1.8
+0.6-0.1
Tex vs Marc-0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
81-0In33030221520,232,288
70-172.9%2172818927015,113,524
Total:88.4%2171820218412035,345,812
Games Above .500
Chance Will Make Playoffs