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 +19.8
+0.9
Suzie 106.2 Noah 89.76 +3.3
+0.2
Steve 103.92 Russell 114.6 +1.9
Carlos 105.36 Ole 116.1 -1.9
-0.1
Chris 79.68 Josh 104.86 +0.4
+0.0
Mike 77.06 Mark 50.3 +0.4
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Chris 97.98 Sidney 112.93 +9.2
+0.5
Steve 134.02 Mark 85.46 -1.9
+0.1
Michael 65.68 Noah 110.78 -0.4
Ole 90.39 Suzie 89.46 -0.1
-0.0
Josh 96.4 Russell 58.84 +0.1
+0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Sidney vs NoahIn-0.9
+1.2-1.0
Steve vs Carlos-0.1+1.0
-0.0+0.3
Michael vs Ole+0.6-0.4
+0.3-0.2
Josh vs Mark+0.1-0.7
+0.1-0.4
Chris vs Russell-0.4+0.1
+0.3-0.1

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
81-0In78184041,996,459
70-198.0%3173430142049,307,741
Total:98.9%3717201681091,304,200
Games Above .500
Chance Will Make Playoffs