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 -8.1
-0.3
Clinton 104 Craig 76 -1.1
+0.1
Conrado 85 Kristie 106 -0.6
-0.0
Lindsy 83 Orlando 97 -0.0
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Clinton 122 Joey 116 -23.1
-0.7
Gabe 100 Craig 65 +7.9
+0.2
Jeremy 134 Kristie 123 +6.7
+0.2
If winner is:HomeTieAway
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Joey vs GabeInIn-43.9
+0.5+0.1-0.9
Kristie vs Lindsy-6.0+10.6+10.6
-0.1+0.2+0.2
Trey vs Jeremy+0.6+2.2-0.7
+0.0+0.1-0.0
Craig vs Conrado-0.2+1.9+1.9
-0.0+0.1+0.1
Orlando vs Clinton+0.1-0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
81-0-0In465439,210,521
7.50-0-1In100617,075
70-1-032.0%324221521,889,412
Total:75.9%2947158261,717,008
Games Above .500
Chance Will Make Playoffs