How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
Chris 127.42 Nana 180.34 -0.6
-0.4
Steve 99.14 Nick 116.44 -0.2
John 154.1 Roger 134.58 -0.2
-0.1
Bobby 142.28 Chuck 132.94 -0.1
+0.1
Andy 94.74 Evan 82.96 +0.0
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Bobby 161.38 Chris 103.5 -1.9
-0.1
Evan 143.84 Steve 75.88 +0.3
Nana 112.14 Roger 81.58 -0.2
Nick 105 John 141.3 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Chris 102.76 Ryan 137 -0.1
Chuck 120.9 Andy 138.94 +0.1
If winner is:HomeAway
Andy vs Chris-0.1+0.4
Steve vs Chuck+0.1-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out851515,511,714
30-1Out346652,637,286
Total:Out465468,149,000
Games Above .500
Chance Will Make Playoffs