How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Sidney 116.62 Michael 92.28 +23.3
+1.3
Carlos 105.36 Ole 116.1 -2.3
-0.1
Suzie 106.2 Noah 89.76 +1.3
Chris 79.68 Josh 104.86 +1.1
+0.1
Steve 103.92 Russell 114.6 +0.8
Mike 77.06 Mark 50.3 +0.2
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Chris 97.98 Sidney 112.93 +23.2
+1.4
Steve 134.02 Mark 85.46 -2.0
Michael 65.68 Noah 110.78 -1.2
Ole 90.39 Suzie 89.46 -0.6
-0.1
Josh 96.4 Russell 58.84 +0.5
+0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Sidney vs NoahIn-1.6
+1.1-1.1
Steve vs Carlos-1.3+1.3
-0.2+0.2
Michael vs Ole+0.8-0.8
+0.2-0.2
Josh vs Mark+0.5-0.5
+0.2-0.2
Chris vs Russell-0.3+0.3
+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In81153014,148,902
70-196.8%5193228133014,141,834
Total:98.4%4317181471028,290,736
Games Above .500
Chance Will Make Playoffs