New England Patriots Playoff Chances 2015 50/50

Lost to Miami 10-20, average seed down 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 12/17100.0*Average seed
New England 33 Tennessee 16 +0.3
Pittsburgh 34 Denver 27 +0.1
Week of 12/24100.0*Average seed
NY Jets 26 New England 20 -0.1
Week of 1/3100.0*Average seed
Denver 27 San Diego 20 -0.5
Miami 20 New England 10 -0.2
Games Above .500
Chance Will Make Playoffs