How are these numbers calculated?

Big Games

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

Week of 11/10100.0*Chance in playoffs100.0*Average seed
Andrew 137.5 Brian 94.6 +15.4
+0.7
Alex 106.5 Brett 86 -6.3
-0.2
Houston 128.8 Tron 105.6 -6.0
-0.2
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Bo vs Andrew-20.0+20.0
-0.7+0.7
Alex vs Chris-7.7+7.7
-0.3+0.3
Brian vs Houston+7.6-7.6
+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
103-0In81191,931,027
92-185.9%27256145,780,745
81-234.4113216325,782,409
70-31.0106731101,932,559
Total:57.8%2113503750015,426,740
Games Above .500
Chance Will Make Playoffs