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 -37.7
-2.0
Carlos 105.36 Ole 116.1 -2.5
-0.2
Suzie 106.2 Noah 89.76 +1.6
Mike 77.06 Mark 50.3 +0.7
+0.2
Chris 79.68 Josh 104.86 +0.3
+0.0
Sidney 116.62 Michael 92.28 +0.1
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Steve vs Mark+38.9-25.2
+1.4-0.9
Chris vs Sidney-10.5+2.9
-0.2+0.0
Michael vs Noah-0.7+0.4
Ole vs Suzie-0.1+0.5
Josh vs Russell+0.1-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-092.0%1926322471020,791,641
61-120.502043279135,524,288
50-2Out103540155,401,079
Total:42.8%0391120271684161,717,008
Games Above .500
Chance Will Make Playoffs