Detroit Lions Playoff Chances 2012-2

Lost to Chicago 24-26, lottery seed down 0.02 to 28
4-12-0   .250

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 +2.1
Washington 38 Cleveland 21 -0.1
Tennessee 14 NY Jets 10 +0.1
Carolina 31 San Diego 7 +0.1
New Orleans 41 Tampa Bay 0 +0.1
Miami 24 Jacksonville 3 +0.1
Cincinnati 34 Philadelphia 13 -0.1
Seattle 50 Buffalo 17 -0.0
Oakland 15 Kansas City 0 +0.0
Minnesota 36 St. Louis 22 -0.0
Week of 12/22100.0*Lottery seed
Atlanta 31 Detroit 18 +0.6
Washington 27 Philadelphia 20 -0.1
Carolina 17 Oakland 6 -0.1
Miami 24 Buffalo 10 -0.0
Denver 34 Cleveland 12 -0.0
Week of 12/30100.0*Lottery seed
Chicago 26 Detroit 24 +0.4
San Diego 24 Oakland 21 -0.2
NY Giants 42 Philadelphia 7 -0.1
Buffalo 28 NY Jets 9 +0.1
Tennessee 38 Jacksonville 20 +0.1
Pittsburgh 24 Cleveland 10 -0.1
Games Above .500
Chance Will Make Playoffs