How are these numbers calculated?

Big Games

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

Week of 11/27100.0*Chance in playoffs100.0*Average seed
Shane 159.55 Chris 142.45 -2.6
-0.3
Matt P 149.1 Jerry 166.7 -1.3
+0.1
Eric 139 Frank 161.3 +0.1
Doug 236.7 Buzz 113.93 +0.0
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Chris 89.5 Jerry 134.2 -0.3
Frank 232.6 Buzz 93.95 +0.0
If winner is:HomeAway
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Chris vs Buzz+0.7-0.7
Matt P vs Shane-0.4+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
41-0Out0946169,692,302
30-1Out5842169,695,978
Total:Out0473221339,388,280
Games Above .500
Chance Will Make Playoffs