How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday, 12/3100.0*Chance in playoffs100.0*Average seed
Flaxey 3 Homan 11 +15.4
+0.7
Homan 7 Middaugh 4 +15.3
+0.7
Jones 9 Flaxey 8 -0.3
Thursday, 12/4100.0*Chance in playoffs100.0*Average seed
Homan 5 Nedohin 4 +5.7
+0.6
Homan 7 Sweeting 6 +2.5
+0.3
Nedohin 7 Anderson 4 -1.3
Middaugh 7 Jones 12 -0.7
-0.0
Flaxey 5 Anderson 7 -0.2
Jones 8 Sweeting 10 +0.2
If winner is:HomeAway
Friday, 12/5100.0*Chance in playoffs100.0*Average seed
Anderson vs Homan-4.2In
-0.3+0.0
Jones vs Homan-2.1In
-0.1+0.0
Middaugh vs SweetingIn-0.1
Middaugh vs NedohinIn-0.1
Nedohin vs Flaxey-0.0In

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
5-6In10031,057,612*
40-271.1%5333429428,992
Total:99.6%9900031,486,604

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs