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
Steve 103.92 Russell 114.6 +16.8
+1.2
Carlos 105.36 Ole 116.1 -2.8
-0.1
Suzie 106.2 Noah 89.76 +1.3
+0.1
Chris 79.68 Josh 104.86 +1.3
Mike 77.06 Mark 50.3 +0.4
+0.1
Sidney 116.62 Michael 92.28 -0.2
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Josh 96.4 Russell 58.84 -6.3
-1.1
Steve 134.02 Mark 85.46 -2.2
+0.1
Chris 97.98 Sidney 112.93 -1.2
Michael 65.68 Noah 110.78 +0.3
Ole 90.39 Suzie 89.46 -0.1
-0.1
If winner is:HomeAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Chris vs Russell-24.1In
-1.6+1.6
Steve vs Carlos-11.3+11.3
-0.2+0.2
Sidney vs Noah+8.1-8.1
-0.1+0.1
Michael vs Ole+3.4-3.4
+0.2-0.2
Josh vs Mark+1.2-1.2
+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In244327614,144,667
70-151.9%0141333351314,146,069
Total:75.9%122216101618628,290,736
Games Above .500
Chance Will Make Playoffs