How are these numbers calculated?

Big Games

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

Week of 10/24100.0*Chance in playoffs100.0*Average seed
George 89.92 Jay 150.04 +19.6
+1.3
Tex 132.06 Jason 93.38 -2.5
-0.1
Marc 129.54 Rell 121.98 -1.1
B 122.66 Joe 129 +1.1
+0.1
Tammy 124.38 Nall 113.36 -1.0
-0.0
Sean 162.74 Drew 103.9 -0.7
-0.0
Meech 127.62 MO 110.84 -0.7
If winner is:HomeAway
Week of 10/31100.0*Chance in playoffs100.0*Average seed
Jay vs Rell+15.8-15.8
+1.1-1.1
MO vs Sean+2.3-1.0
+0.1-0.1
Tammy vs George-1.1+0.7
Tex vs Meech+0.6-0.6
Marc vs B+0.3-0.4
Joe vs Drew-0.1+0.6
-0.0+0.1
Nall vs Jason+0.4-0.1
+0.1-0.0

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
106-0In861310316,884
95-1In103835133001,943,167
84-2100.0%01928342171004,825,099
73-382.3015183129143006,034,518
62-414.400212333814103,908,267
51-50.100329472201,169,908
40-6Out04316140103,129
Total:68.9%3569111112121211620018,300,972
Games Above .500
Chance Will Make Playoffs