Arizona Cardinals Playoff Chances 2012-Final 50/50

Lost to San Francisco 13-27, lottery seed up 2.2 to 26
5-11-0   .313

How are these numbers calculated?

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 12/13100.0*Lottery seed
Arizona 38 Detroit 10 -1.9
Seattle 50 Buffalo 17 -0.2
Washington 38 Cleveland 21 -0.1
Cincinnati 34 Philadelphia 13 -0.1
Miami 24 Jacksonville 3 +0.1
New Orleans 41 Tampa Bay 0 +0.1
Oakland 15 Kansas City 0 +0.1
Tennessee 14 NY Jets 10 +0.1
Minnesota 36 St. Louis 22 +0.1
Week of 12/22100.0*Lottery seed
Chicago 28 Arizona 13 +2.0
Green Bay 55 Tennessee 7 -0.2
New Orleans 34 Dallas 31 +0.2
Denver 34 Cleveland 12 -0.2
Atlanta 31 Detroit 18 -0.1
St. Louis 28 Tampa Bay 13 -0.1
Carolina 17 Oakland 6 +0.1
Cincinnati 13 Pittsburgh 10 -0.1
Washington 27 Philadelphia 20 -0.1
Week of 12/30100.0*Lottery seed
San Francisco 27 Arizona 13 +1.7
San Diego 24 Oakland 21 +0.3
Pittsburgh 24 Cleveland 10 -0.3
Tennessee 38 Jacksonville 20 +0.2
Carolina 44 New Orleans 38 +0.2
Tampa Bay 22 Atlanta 17 +0.2
Games Above .500
Chance Will Make Playoffs