New England Patriots Playoff Chances 2014 50/50

Lost to Buffalo 9-17, average seed up 1.5 to 23
8-0-5   .615

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
New England 41 Miami 13 -1.3
Indianapolis 17 Houston 10 -0.2
Seattle 17 San Francisco 7 -0.1
Philadelphia 27 Dallas 38 -0.1
Buffalo 21 Green Bay 13 -0.1
Cleveland 0 Cincinnati 30 -0.1
Week of 12/20100.0*Average seed
Houston 25 Baltimore 13 +0.1
Chicago 14 Detroit 20 +0.1
Oakland 26 Buffalo 24 +0.1
San Francisco 35 Philadelphia 38 +0.1
St. Louis 27 NY Giants 37 -0.1
Week of 12/28100.0*Average seed
New England 9 Buffalo 17 +1.0
NY Giants 26 Philadelphia 34 +0.3
Houston 23 Jacksonville 17 +0.3
Green Bay 30 Detroit 20 -0.0
Games Above .500
Chance Will Make Playoffs