Indianapolis Colts Playoff Chances 2014 50/50

Beat Tennessee 27-10, average seed unchanged at 4
11-5-0   .688

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*Chance in playoffs100.0*Average seed
Indianapolis 17 Houston 10 In
+0.7
New England 41 Miami 13 +0.5
-0.1
Atlanta 20 Pittsburgh 27 -0.3
-0.1
Cleveland 0 Cincinnati 30 -0.3
-0.1
Baltimore 20 Jacksonville 12 -0.3
San Diego 10 Denver 22 -0.1
Week of 12/18100.0*Chance in playoffs100.0*Average seed
Dallas 42 Indianapolis 7 -0.3
Pittsburgh 20 Kansas City 12 -0.1
Cincinnati 37 Denver 28 -0.1
NY Jets 16 New England 17 -0.1
Week of 12/28None
Games Above .500
Chance Will Make Playoffs