How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Steve 129.33 G 98.81 +0.7
+0.6
Nick 100.09 Boris 121.91 +0.3
-0.2
Ade 83.09 Stefan 103.12 +0.1
Phil 153.83 Joe 107.4 +0.1
+0.0
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Steve vs Howard+2.8Out
+1.1-1.1
Nick vs Bret-0.6+3.6
-0.0+0.2
G vs Phil-1.3+0.5
-0.1+0.0
Danny vs Boris+1.1-0.6
+0.2-0.1
Ade vs Joe+0.2-0.3
+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-025.1%32238261001,520,896
71-10.104202936126,933,255
60-2Out39165,417,043
Total:2.8%02613151942213,871,194
Games Above .500
Chance Will Make Playoffs