Dallas Cowboys Playoff Chances 2014 50/50

Beat Indianapolis 28-12, average seed down 0.2 to 32
12-0-4   .750

How are these numbers calculated?

Big Games

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

Week of 12/11100.0*Average seed
Philadelphia 27 Dallas 38 -1.0
Cleveland 0 Cincinnati 30 +0.1
St. Louis 6 Arizona 12 +0.1
Indianapolis 17 Houston 10 +0.1
Seattle 17 San Francisco 7 +0.1
Baltimore 20 Jacksonville 12 +0.1
Week of 12/20100.0*Average seed
Dallas 42 Indianapolis 7 -0.9
Cincinnati 37 Denver 28 -0.1
St. Louis 27 NY Giants 37 -0.1
Week of 12/28100.0*Average seed
Seattle 20 St. Louis 6 +0.2
Indianapolis 12 Dallas 28 -0.2
Games Above .500
Chance Will Make Playoffs