How are these numbers calculated?

Big Games

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

Week of 10/27100.0*Chance in playoffs100.0*Average seed
Milvia 60 Brandon 63 -22.6
-1.0
Kemahl 84 Avery 119 +7.2
+0.3
Spencer 108 Cooper 87 -6.5
-0.2
Diblasi 97 Andino 81 -3.6
-0.1
Greg 60 Burns 105 +0.2
+0.0
Matt 66 Ali 79 -0.0
If winner is:HomeTieAway
Week of 11/3100.0*Chance in playoffs100.0*Average seed
Ali vs Milvia-7.0+5.1+10.0
-0.6+0.1+0.8
Brandon vs Spencer+4.2+3.0-0.9
+0.1+0.1-0.0
Avery vs Diblasi+2.3+1.0-2.7
+0.1-0.1-0.1
Burns vs Kemahl+1.9+0.8-2.4
+0.0+0.0-0.1
Cooper vs Greg+0.3*+0.0-0.9

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

Games Above .500
Chance Will Make Playoffs