How are these numbers calculated?

Big Games

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

Week of 7/6100.0*Chance in playoffs100.0*Average seed
Greg Ross 233 Mike Ball 155.25 -8.7
-0.4
Mike Campbell 205.67 Mike Jupp 141.33 +1.8
+0.1
Derryk Homma 210.25 Amar Bains 191.58 -1.4
Travis Porter 132.67 Aaron Yeung 172.67 -1.1
Daryl Fowler 180.08 Jesse Mallette 178.67 -0.9
-0.1
Chris Mackenzie 178.42 Dan Endacott 147.58 +0.7
If winner is:HomeAway
Week of 7/13100.0*Chance in playoffs100.0*Average seed
Mike Ball vs Travis Porter+6.6-8.2
+0.5-0.7
Aaron Yeung vs Amar Bains-1.4+2.8
-0.0+0.1
Mike Jupp vs Chris Mackenzie-1.3+1.6
Derryk Homma vs Jesse Mallette-1.2+0.7
Greg Ross vs Mike Campbell-0.2+0.2
Daryl Fowler vs Dan Endacott-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
288-0In0136818145,044
267-1100.0%020512720411,443
246-292.8011344357001,878,159
225-345.2008374113104,799,030
204-45.8006304616107,537,013
183-50.1003274622207,414,951
162-6Out0220492624,462,187
141-7Out011955261,500,768
120-8Out12574221,997
Total:17.0%0002510162220158228,270,592
Games Above .500
Chance Will Make Playoffs