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
Eric Froehlich 0 Rich Shay 1 -16.1
-0.7
Chris Pikula 0 Luis Scott-Vargas 1 +3.0
+0.1
Steve Menendian 0 Bob Maher 1 +0.9
+0.1
Randy Buehler 0 Josh Utter-Leyton 1 +0.8
Tom Martell 1 David Williams 0 +0.7
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Eric Froehlich vs David Williams+25.8-25.8
+1.0-1.0
Tom Martell vs Josh Utter-Leyton-6.1+6.1
-0.2+0.2
Chris Pikula vs Bob Maher-6.0+6.0
-0.2+0.2
Rich Shay vs Luis Scott-Vargas-2.6+2.6
-0.1+0.1
Randy Buehler vs Steve Menendian+1.6-1.6
+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
62-099.0%1134421213,393,185
51-165.92263827706,780,751
40-24.9041836355003,393,564
Total:58.9%31023231812910013,567,500
Games Above .500
Chance Will Make Playoffs