How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
Andy 94.74 Evan 11 -17.8
-1.2
Bobby 142.28 Chuck 11 +2.1
+0.1
John 154.1 Roger 11 +1.9
Steve 99.14 Nick 11 +1.8
Jordan 108.14 Ryan 11 -1.0
Chris 127.42 Nana 11 +0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Evan 11 Steve 20 -17.7
-1.4
Ryan 11 Chuck 20 -1.4
-0.1
Bobby 11 Chris 20 -1.3
-0.1
Ryan 11 John 20 +0.9
Andy 11 Jordan 20 +0.8
+0.1
Nana 11 Roger 20 +0.3
Week of 11/27100.0*Chance in playoffs100.0*Average seed
John 11 Evan 27 +13.3
+1.4
Chris 11 Ryan 27 -2.5
-0.1
Steve 11 Jordan 27 +2.1
+0.2
Bobby 11 Nana 27 -1.3
-0.2
Roger 11 Nick 27 -1.2
Chuck 11 Andy 27 +1.0
-0.1
Games Above .500
Chance Will Make Playoffs