How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/14100.0*Chance in playoffs100.0*Average seed
Steve Menendian 0 Bob Maher 1 +0.1
+0.5
Chris Pikula 0 Luis Scott-Vargas 1 +0.1
Eric Froehlich 0 Rich Shay 1 -0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Chris Pikula vs Bob MaherOut+0.7
-0.7+0.7
Tom Martell vs Josh Utter-Leyton-0.4+0.4
+0.2-0.2
Eric Froehlich vs David Williams-0.2+0.2
+0.1-0.1
Rich Shay vs Luis Scott-Vargas-0.1+0.1
-0.1+0.1
Randy Buehler vs Steve Menendian-0.1+0.1
-0.2+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
42-02.8%0313282822603,394,090
31-1Out073040236,781,802
20-2Out221773,391,608
Total:0.7%01371021263113,567,500
Games Above .500
Chance Will Make Playoffs