How are these numbers calculated?

Big Games

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

Week of 1/12100.0*Chance in playoffs100.0*Toilet Bowl Champs100.0*Average seed
California 33 St. Paul 65 In
+0.4
London 19 Mississippi 77 -16.7
+1.0
-0.5
Orlando 26 London 35 +16.7
No
+0.5
St. Paul 62 North Carolina 45 -0.5
Georgia 37 Orlando 26 +1.0
Week of 1/24100.0*Chance in playoffs100.0*Toilet Bowl Champs100.0*Average seed
North Carolina 48 Chicago 77 +0.2
Week of 1/25None
Games Above .500
Chance Will Make Playoffs