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
Bo 115.7 Chris 86.7 +1.7
+0.6
Alex 106.5 Brett 86 -0.6
Andrew 137.5 Brian 94.6 -0.6
Houston 128.8 Tron 105.6 -0.1
Jordan 87.1 Cary 99.2 +0.1
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Bo vs Andrew+2.3Out
+0.4-0.2
Alex vs Chris-0.4+1.1
Brian vs Houston+0.5-0.3
Cary vs Brett-0.1+0.1
Tron vs Jordan+0.1-0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
83-017.1%0014317662,061,659
72-10.100097309,500,254
61-2Out67293013,626,925
50-3Out11413985,664,642
Total:1.2%0010166219130,853,480
Games Above .500
Chance Will Make Playoffs