New England Patriots Playoff Chances 2011 50/50

Beat Buffalo 49-21, average seed up 0.4 to 1
13-3-0   .813

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*Chance in playoffs100.0*Average seed
Denver 23 New England 41 In
+0.5
Philadelphia 45 NY Jets 19 In
Indianapolis 27 Tennessee 13 +0.2
St. Louis 13 Cincinnati 20 -0.2
San Francisco 20 Pittsburgh 3 +0.1
San Diego 34 Baltimore 14 +0.1
Week of 12/22100.0*Chance in playoffs100.0*Average seed
New England 27 Miami 24 +0.4
Indianapolis 19 Houston 16 +0.2
Baltimore 20 Cleveland 14 -0.1
Pittsburgh 27 St. Louis 0 -0.1
Week of 1/1100.0*Chance in playoffs100.0*Average seed
New England 49 Buffalo 21 +0.4
Cleveland 9 Pittsburgh 13 -0.1
Cincinnati 16 Baltimore 24 -0.1
Games Above .500
Chance Will Make Playoffs