Pittsburgh Steelers Playoff Chances 2011 50/50

Beat Cleveland 13-9, average seed down 0.9 to 5
12-4-0   .750

How are these numbers calculated?

Big Games

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

Week of 12/15100.0*Average seed
San Francisco 20 Pittsburgh 3 -0.8
San Diego 34 Baltimore 14 +0.5
Houston 13 Carolina 28 +0.1
Week of 12/22100.0*Average seed
Pittsburgh 27 St. Louis 0 +0.7
Baltimore 20 Cleveland 14 -0.6
Indianapolis 19 Houston 16 +0.1
New England 27 Miami 24 -0.1
Week of 1/1100.0*Average seed
Cincinnati 16 Baltimore 24 -0.9
Cleveland 9 Pittsburgh 13 +0.9
New England 49 Buffalo 21 -0.1
Games Above .500
Chance Will Make Playoffs