New England Patriots Playoff Chances 2012 50/50

Beat Miami 28-0, average seed up 0.8 to 2
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 12/13100.0*Average seed
New England 34 San Francisco 41 -0.4
Houston 29 Indianapolis 17 -0.1
Week of 12/22100.0*Average seed
Jacksonville 16 New England 23 +0.4
Denver 34 Cleveland 12 -0.3
Houston 6 Minnesota 23 +0.1
Baltimore 33 NY Giants 14 -0.1
Week of 12/30100.0*Average seed
New England 28 Miami 0 +0.8
Indianapolis 28 Houston 16 +0.2
Denver 38 Kansas City 3 -0.2
Cincinnati 23 Baltimore 17 +0.2
Games Above .500
Chance Will Make Playoffs