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
Anand 76.6 Bryan 32.7 -12.8
-1.4
Justin 72.22 Bhairav 74.1 +1.4
Jesse 78.46 Jeffrey 69.18 +1.2
+0.1
Adam 93.22 Jack 58.24 -1.1
-0.2
Tony 109.48 Simon 52.34 +0.6
+0.1
Tom 100.32 Ziyi 45 -0.3
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Bryan 67.9 Jesse 59.88 +3.1
+1.1
Ziyi 100.82 Tony 83.04 -0.9
-0.1
Simon 68.28 Bhairav 97 +0.9
Jack 63.56 Justin 110.76 -0.9
-0.1
Jeffrey 112.96 Tom 86.92 +0.8
Anand 99.1 David 97.14 +0.5
-0.2
Jon 73.62 Adam 58.82 -0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Tom vs BryanOut+0.2
-1.3+1.3
Tony vs Jeffrey+0.2-0.2
Justin vs Jon+0.1-0.1
+0.2-0.2
Adam vs Anand-0.1+0.1
Ziyi vs Simon+0.1-0.1
+0.3-0.3
Jesse vs David+0.1-0.1
Bhairav vs Jack-0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
61-00.4%00031128391910,287,584
50-1Out210484010,284,756
Total:0.2%00015142014242020,572,340
Games Above .500
Chance Will Make Playoffs