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
Nick 100.09 Boris 121.91 -30.7
-0.9
Ade 83.09 Stefan 103.12 +12.1
+0.3
Steve 129.33 G 98.81 +8.5
+0.2
Phil 153.83 Joe 107.4 +3.3
+0.1
Danny 71.17 Howard 95.35 +1.2
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Nick vs Bret+5.6-32.0
+0.3-1.8
Danny vs Boris+15.5-8.7
+0.4-0.2
G vs Phil-6.9+2.6
-0.2+0.1
Ade vs Joe+1.9-2.5
Steve vs Howard-0.7+0.7

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-059.2%1248301017,559,472
71-11.01737351635,566,287
60-2Out6326101745,435
Total:32.7%6261921141031013,871,194
Games Above .500
Chance Will Make Playoffs