St. Louis Rams Playoff Chances 2012 50/50

Lost to Seattle 13-20, lottery seed up 0.8 to 17
7-8-1   .469

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
St. Louis 22 Minnesota 36 +1.9
Tennessee 14 NY Jets 10 -0.2
San Diego 7 Carolina 31 -0.1
Philadelphia 13 Cincinnati 34 +0.1
Chicago 13 Green Bay 21 -0.1
Miami 24 Jacksonville 3 +0.1
Cleveland 21 Washington 38 +0.1
Buffalo 17 Seattle 50 -0.1
New Orleans 41 Tampa Bay 0 -0.0
Week of 12/22100.0*Lottery seed
Tampa Bay 13 St. Louis 28 -1.8
Pittsburgh 10 Cincinnati 13 -0.2
Arizona 13 Chicago 28 +0.1
Miami 24 Buffalo 10 +0.1
Baltimore 33 NY Giants 14 -0.1
Houston 6 Minnesota 23 +0.1
NY Jets 17 San Diego 27 -0.1
Carolina 17 Oakland 6 +0.1
Philadelphia 20 Washington 27 +0.1
Green Bay 55 Tennessee 7 -0.1
Week of 12/30100.0*Lottery seed
Seattle 20 St. Louis 13 +1.0
NY Giants 42 Philadelphia 7 +0.3
Pittsburgh 24 Cleveland 10 +0.2
New England 28 Miami 0 -0.2
New Orleans 38 Carolina 44 -0.2
Games Above .500
Chance Will Make Playoffs