Dallas Cowboys Playoff Chances 2011 50/50

Lost to NY Giants 14-31, playoff odds down 49.8 to 0%
8-8-0   .500

How are these numbers calculated?

Big Games

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

Week of 12/15100.0*Chance in playoffs100.0*Average seed
NY Giants 10 Washington 23 +10.6
+0.4
Tampa Bay 15 Dallas 31 +7.2
+0.6
Chicago 14 Seattle 38 +1.9
+0.1
Oakland 27 Detroit 28 -1.5
Atlanta 41 Jacksonville 14 -0.7
Arizona 20 Cleveland 17 -0.4
-0.1
Philadelphia 45 NY Jets 19 -0.1
Week of 12/22100.0*Chance in playoffs100.0*Average seed
Dallas 7 Philadelphia 20 -14.3
-0.9
NY Jets 14 NY Giants 29 -11.0
-0.4
Cincinnati 23 Arizona 16 +0.4
+0.1
Seattle 17 San Francisco 19 -0.3
+0.1
Detroit 38 San Diego 10 +0.3
Green Bay 35 Chicago 21 +0.1
Week of 1/1100.0*Chance in playoffs100.0*Average seed
NY Giants 31 Dallas 14 Out
-2.3
Philadelphia 34 Washington 10 -0.4
Arizona 23 Seattle 20 -0.2
Minnesota 13 Chicago 17 -0.2
Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 12/15100.0*Lottery seed
Tampa Bay 15 Dallas 31 -1.4
NY Giants 10 Washington 23 -0.8
Denver 23 New England 41 -0.1
Indianapolis 27 Tennessee 13 -0.1
St. Louis 13 Cincinnati 20 +0.1
Chicago 14 Seattle 38 -0.1
Arizona 20 Cleveland 17 +0.1
San Diego 34 Baltimore 14 +0.1
San Francisco 20 Pittsburgh 3 +0.0
Week of 12/22100.0*Lottery seed
Dallas 7 Philadelphia 20 +1.8
NY Jets 14 NY Giants 29 +0.7
Green Bay 35 Chicago 21 -0.1
Buffalo 40 Denver 14 -0.1
Tennessee 23 Jacksonville 17 +0.1
Detroit 38 San Diego 10 -0.1
Seattle 17 San Francisco 19 -0.1
Kansas City 13 Oakland 16 +0.0
Week of 1/1100.0*Lottery seed
NY Giants 31 Dallas 14 +4.5
Houston 22 Tennessee 23 +0.1
Philadelphia 34 Washington 10 +0.1
Denver 3 Kansas City 7 -0.1
Miami 19 NY Jets 17 -0.1
Minnesota 13 Chicago 17 +0.1