How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Chris 121 Todd 112 +6.3
+0.5
Luke 70 Beth 115 -1.0
Terry 131 Ryan 143 -0.7
Mike 72 Pat 79 +0.2
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Andy 103 Chris 126 +0.3
Mike 91 Todd 60 -0.2
Pat 86 Luke 78 -0.1
Terry 103 Beth 105 +0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Chris vs Terry+0.3-0.3
Mike vs Beth-0.3+0.2

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
91-0In50505,140,391
80-1In1005,140,749
Total:In257510,281,140
Games Above .500
Chance Will Make Playoffs