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 +14.4
+1.1
Carlos 105.36 Ole 116.1 -1.8
-0.1
Sidney 116.62 Michael 92.28 -0.7
-0.1
Suzie 106.2 Noah 89.76 -0.6
Chris 79.68 Josh 104.86 +0.5
Mike 77.06 Mark 50.3 -0.4
+0.1
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Josh vs Russell-6.3In
-1.1+1.1
Steve vs Mark-2.2+2.2
+0.1-0.1
Chris vs Sidney+1.2-1.2
Michael vs Noah-0.3+0.3
Ole vs Suzie-0.1+0.1
-0.1+0.1

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
92-0In65355,147,380
81-1In2284422410,281,025
70-274.7%029253821405,143,931
Total:93.7%1723221381051020,572,336
Games Above .500
Chance Will Make Playoffs