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
Matt P 149.1 Jerry 166.7 +3.2
+0.2
Shane 159.55 Chris 142.45 +1.3
-0.1
Doug 236.7 Buzz 113.93 +0.1
Eric 139 Frank 161.3 +0.1
Paul 185.2 Andrew 159.45 +0.0
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Chris 89.5 Jerry 134.2 +0.2
If winner is:HomeAway
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Matt P vs Shane+0.3-0.1
Jerry vs Doug+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In336799,290,558
70-1In397240,097,722
Total:In1288339,388,280
Games Above .500
Chance Will Make Playoffs