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
Clinton 104 Craig 76 -25.2
-0.6
Santana 147 Joey 120 +2.3
+0.1
Conrado 85 Kristie 106 -1.0
-0.0
Jeremy 109 Alfred 68 -0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Gabe 100 Craig 65 -33.6
-1.0
Jeremy 134 Kristie 123 +11.9
+0.2
Clinton 122 Joey 116 -4.4
-0.1
Conrado 79 Trey 105 -0.0
If winner is:HomeTieAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Joey vs GabeOutOut+5.5
-0.1-0.1+0.1
Kristie vs Lindsy-1.9+3.4+3.4
-0.3+0.6+0.6
Craig vs Conrado+0.2OutOut
+0.1-0.5-1.6
Trey vs Jeremy+0.2+0.7-0.3
+0.1+0.4-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
71-0-03.2%322443057,082,751
6.50-0-1Out035640616,394
60-1-0Out13946154,017,863
Total:3.0%32141313161,717,008
Games Above .500
Chance Will Make Playoffs