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
Chris Pikula 0 Luis Scott-Vargas 1 -5.5
-0.4
Eric Froehlich 0 Rich Shay 1 +3.8
+0.2
Tom Martell 1 David Williams 0 -0.4
Steve Menendian 0 Bob Maher 1 +0.2
+0.1
Randy Buehler 0 Josh Utter-Leyton 1 +0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Chris Pikula vs Bob Maher+10.4-27.1
+0.3-0.8
Tom Martell vs Josh Utter-Leyton-3.2+8.3
-0.1+0.2
Eric Froehlich vs David Williams-2.9+4.6
-0.1+0.1
Rich Shay vs Luis Scott-Vargas-3.1+0.7
-0.1+0.0
Randy Buehler vs Steve Menendian+1.3-0.3
+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
62-099.2%0176715122,518,235
51-171.602843271017,271,369
40-28.4184337110003,324,896
Total:81.1%094626153100043,114,500
Games Above .500
Chance Will Make Playoffs