Houston Texans Playoff Chances 2011 50/50

Lost to Tennessee 22-23, average seed unchanged at 3
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 12/15100.0*Average seed
Houston 13 Carolina 28 -0.3
San Diego 34 Baltimore 14 +0.1
Denver 23 New England 41 -0.1
San Francisco 20 Pittsburgh 3 +0.1
Week of 12/22100.0*Average seed
Indianapolis 19 Houston 16 -0.4
New England 27 Miami 24 -0.1
Buffalo 40 Denver 14 +0.1
Baltimore 20 Cleveland 14 -0.1
Week of 1/1None
Games Above .500
Chance Will Make Playoffs