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
Alex 106.5 Brett 86 +13.0
+0.6
Andrew 137.5 Brian 94.6 -6.2
-0.2
Houston 128.8 Tron 105.6 -3.6
-0.2
Bo 115.7 Chris 86.7 -0.1
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Alex vs Chris+13.3-13.2
+0.6-0.6
Bo vs Andrew+6.5-6.5
+0.2-0.2
Brian vs Houston+3.2-3.2
+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
103-0In9461,929,337
92-191.1%4134795,785,690
81-239.4213515825,780,054
70-31.0107028101,931,659
Total:61.6%2823203440015,426,740
Games Above .500
Chance Will Make Playoffs