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
Bobby 142.28 Chuck 132.94 -0.6
-0.3
John 154.1 Roger 134.58 -0.2
-0.1
Steve 99.14 Nick 116.44 -0.1
Jordan 108.14 Ryan 119.84 +0.1
Andy 94.74 Evan 82.96 -0.1
+0.0
Chris 127.42 Nana 180.34 +0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Ryan 112.9 Chuck 89.4 -1.6
-0.1
Nana 112.14 Roger 81.58 -0.2
Evan 143.84 Steve 75.88 +0.2
Nick 105 John 141.3 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Chuck 120.9 Andy 138.94 -0.2
Chris 102.76 Ryan 137 +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 Chuck finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out891119,274,807
30-1Out415948,874,193
Total:Out544668,149,000
Games Above .500
Chance Will Make Playoffs