Houston Texans Playoff Chances 2012-2 50/50

Lost to Indianapolis 16-28, average seed down 1.5 to 3
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
Houston 29 Indianapolis 17 +0.8
San Francisco 41 New England 34 +0.1
Week of 12/22100.0*Average seed
Minnesota 23 Houston 6 -0.1
New England 23 Jacksonville 16 -0.1
Denver 34 Cleveland 12 -0.1
Week of 12/30100.0*Average seed
Indianapolis 28 Houston 16 -0.5
Denver 38 Kansas City 3 -0.2
New England 28 Miami 0 -0.2
Games Above .500
Chance Will Make Playoffs