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
Chris 79.68 Josh 104.86 In
+0.1
Suzie 106.2 Noah 89.76 +0.1
Steve 103.92 Russell 114.6 +0.1
Mike 77.06 Mark 50.3 +0.1
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Josh vs Russell+0.2-0.7
Steve vs Mark+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
102-0In10032,667,498
91-1In623824,590,720
80-2In112453484,458,790
Total:In781632161,717,008
Games Above .500
Chance Will Make Playoffs