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 +3.9
+0.3
Terry 131 Ryan 143 +0.2
+0.1
Mike 72 Pat 79 +0.2
+0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Mike 91 Todd 60 -0.2
Andy 103 Chris 126 +0.0
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Mike vs Beth-0.2+0.4
Chris vs Terry+0.2-0.2

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
91-0In396118,465,910
80-1In10012,377,510
Total:In237730,843,420
Games Above .500
Chance Will Make Playoffs