Cincinnati Bengals Playoff Chances 2012-Final 50/50

Beat Baltimore 23-17, average seed unchanged at 6
10-6-0   .625

How are these numbers calculated?

Big Games

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

Week of 12/13100.0*Chance in playoffs100.0*Average seed
Dallas 27 Pittsburgh 24 +10.9
+0.1
Cincinnati 34 Philadelphia 13 +9.3
+0.5
Tennessee 14 NY Jets 10 +4.2
+0.1
Houston 29 Indianapolis 17 +0.7
+0.0
Minnesota 36 St. Louis 22 -0.2
Seattle 50 Buffalo 17 +0.2
Denver 34 Baltimore 17 +0.1
Miami 24 Jacksonville 3 -0.0
Washington 38 Cleveland 21 +0.0
Week of 12/22100.0*Chance in playoffs100.0*Average seed
Cincinnati 13 Pittsburgh 10 In
+0.8
Carolina 17 Oakland 6 -0.2
Minnesota 23 Houston 6 -0.2
Green Bay 55 Tennessee 7 +0.2
Miami 24 Buffalo 10 -0.1
Baltimore 33 NY Giants 14 -0.2
San Diego 27 NY Jets 17 +0.1
Week of 12/30None
Games Above .500
Chance Will Make Playoffs