St. Louis Rams Playoff Chances 2015 50/50

Lost to San Francisco 16-19, lottery seed up 2.1 to 18
7-9-0   .438

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 12/17100.0*Lottery seed
St. Louis 31 Tampa Bay 23 -2.6
Philadelphia 17 Arizona 40 -0.4
Oakland 20 Green Bay 30 -0.3
NY Giants 35 Carolina 38 -0.2
Baltimore 14 Kansas City 34 +0.2
Pittsburgh 34 Denver 27 -0.2
San Diego 30 Miami 14 -0.2
Washington 35 Buffalo 25 -0.1
Jacksonville 17 Atlanta 23 +0.1
Minnesota 38 Chicago 17 -0.1
New Orleans 27 Detroit 35 -0.1
Dallas 16 NY Jets 19 -0.1
San Francisco 14 Cincinnati 24 +0.0
Week of 12/24100.0*Lottery seed
Seattle 17 St. Louis 23 -1.8
Minnesota 49 NY Giants 17 -0.2
Atlanta 20 Carolina 13 +0.2
Oakland 23 San Diego 20 +0.2
Buffalo 16 Dallas 6 +0.2
Philadelphia 24 Washington 38 -0.2
Detroit 32 San Francisco 17 +0.1
Kansas City 17 Cleveland 13 +0.1
Arizona 38 Green Bay 8 -0.1
Denver 20 Cincinnati 13 +0.1
Miami 12 Indianapolis 18 +0.1
Tennessee 6 Houston 34 +0.0
Week of 1/3100.0*Lottery seed
San Francisco 19 St. Louis 16 +2.2
Indianapolis 30 Tennessee 24 +0.3
Buffalo 22 NY Jets 17 +0.2
Kansas City 23 Oakland 17 -0.2
Atlanta 17 New Orleans 20 -0.2
Chicago 20 Detroit 24 -0.1
Games Above .500
Chance Will Make Playoffs