Atlanta Falcons Playoff Chances 2013 50/50

Lost to Carolina 20-21, lottery seed down 0.3 to 27
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 12/12100.0*Lottery seed
Atlanta 27 Washington 26 -1.5
Oakland 31 Kansas City 56 -0.2
Minnesota 48 Philadelphia 30 +0.2
Cleveland 31 Chicago 38 -0.2
Tennessee 34 Arizona 37 -0.1
Pittsburgh 30 Cincinnati 20 +0.1
Indianapolis 25 Houston 3 -0.1
NY Giants 0 Seattle 23 -0.1
Jacksonville 20 Buffalo 27 -0.1
St. Louis 27 New Orleans 16 +0.1
Carolina 30 NY Jets 20 -0.0
Tampa Bay 14 San Francisco 33 -0.0
Week of 12/22100.0*Lottery seed
San Francisco 34 Atlanta 24 +1.3
Detroit 20 NY Giants 23 +0.2
Buffalo 19 Miami 0 +0.2
Cincinnati 42 Minnesota 14 -0.2
San Diego 26 Oakland 13 -0.2
St. Louis 23 Tampa Bay 13 -0.2
NY Jets 24 Cleveland 13 -0.1
Green Bay 31 Pittsburgh 38 +0.1
Washington 23 Dallas 24 -0.1
Week of 12/29100.0*Lottery seed
Atlanta 20 Carolina 21 +1.3
Oakland 14 Denver 34 -0.5
Pittsburgh 20 Cleveland 7 -0.3
Minnesota 14 Detroit 13 +0.3
Indianapolis 30 Jacksonville 10 -0.3
Games Above .500
Chance Will Make Playoffs