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 -7.7
-1.2
Justin 72.22 Bhairav 74.1 +1.8
+0.1
Adam 93.22 Jack 58.24 -1.2
-0.3
Jesse 78.46 Jeffrey 69.18 +0.7
+0.1
Tony 109.48 Simon 52.34 +0.6
+0.0
Tom 100.32 Ziyi 45 -0.2
David 76.82 Jon 66.28 -0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Bryan 67.9 Jesse 59.88 +2.7
+1.3
Simon 68.28 Bhairav 97 +0.3
-0.2
Jack 63.56 Justin 110.76 -0.3
-0.1
Ziyi 100.82 Tony 83.04 -0.3
Anand 99.1 David 97.14 +0.2
-0.2
Jeffrey 112.96 Tom 86.92 +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+0.3
-1.0+1.3
Tony vs Jeffrey+0.1-0.2
Justin vs Jon+0.1-0.1
+0.1-0.1
Adam vs Anand-0.1+0.1
Jesse vs David+0.0-0.1
Ziyi vs Simon+0.2-0.2
Bhairav vs Jack-0.4+0.1

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
61-00.5%0003924432126,389,967
50-1Out314691435,327,053
Total:0.2%0001410201740861,717,020
Games Above .500
Chance Will Make Playoffs