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
Santana 147 Joey 120 In
+0.2
Conrado 85 Kristie 106 -0.3
Clinton 104 Craig 76 -0.2
-0.1
Lindsy 83 Orlando 97 -0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Santana 106 Orlando 104 +0.4
If winner is:HomeTieAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Orlando vs Clinton-0.3-0.2+0.3
Alfred vs Santana-0.2-0.2+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
111-0-0In100010,182,015
10.50-0-1In5149205,380
100-1-0In495110,184,941
Total:In742620,572,336
Games Above .500
Chance Will Make Playoffs