San Diego Chargers Playoff Chances 2012 50/50

Beat Oakland 24-21, lottery seed down 1.2 to 22
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 12/13100.0*Lottery seed
San Diego 7 Carolina 31 +2.0
Buffalo 17 Seattle 50 -0.2
Cleveland 21 Washington 38 -0.2
Miami 24 Jacksonville 3 +0.1
Tennessee 14 NY Jets 10 +0.1
Philadelphia 13 Cincinnati 34 -0.1
New Orleans 41 Tampa Bay 0 +0.1
St. Louis 22 Minnesota 36 -0.1
Week of 12/22100.0*Lottery seed
NY Jets 17 San Diego 27 -1.7
Arizona 13 Chicago 28 -0.2
Denver 34 Cleveland 12 -0.2
Detroit 18 Atlanta 31 -0.2
Philadelphia 20 Washington 27 -0.2
Green Bay 55 Tennessee 7 -0.2
Dallas 31 New Orleans 34 +0.1
Miami 24 Buffalo 10 -0.1
Carolina 17 Oakland 6 +0.1
Week of 12/30100.0*Lottery seed
San Diego 24 Oakland 21 -1.7
Atlanta 17 Tampa Bay 22 +0.3
New Orleans 38 Carolina 44 +0.3
Tennessee 38 Jacksonville 20 +0.2
San Francisco 27 Arizona 13 -0.2
Pittsburgh 24 Cleveland 10 -0.2
Games Above .500
Chance Will Make Playoffs