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
Kemahl 84 Avery 119 -4.3
-0.1
Greg 60 Burns 105 +2.6
+0.5
Matt 66 Ali 79 -0.3
-0.1
Milvia 60 Brandon 63 -0.1
If winner is:HomeTieAway
Week of 11/3100.0*Chance in playoffs100.0*Average seed
Burns vs Kemahl+1.9-1.4-2.4
+0.4-0.1-0.5
Avery vs Diblasi-1.2-0.8+1.4
-0.1-0.0+0.1
Ali vs Milvia-0.7-0.4+1.0
-0.1-0.0+0.1
Cooper vs Greg-0.1+0.1+0.2

What If

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

Games Above .500
Chance Will Make Playoffs