Tampa Bay Buccaneers Playoff Chances 2013-2 50/50

Lost to New Orleans 17-42, lottery seed down 0.8 to 26
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
San Francisco 33 Tampa Bay 14 +1.8
Minnesota 48 Philadelphia 30 +0.2
Arizona 37 Tennessee 34 -0.2
Kansas City 56 Oakland 31 -0.2
Seattle 23 NY Giants 0 -0.2
Pittsburgh 30 Cincinnati 20 +0.2
St. Louis 27 New Orleans 16 +0.1
Chicago 38 Cleveland 31 -0.1
Carolina 30 NY Jets 20 -0.1
San Diego 27 Denver 20 +0.1
Buffalo 27 Jacksonville 20 -0.0
Indianapolis 25 Houston 3 -0.0
Week of 12/22100.0*Lottery seed
St. Louis 23 Tampa Bay 13 +1.8
San Francisco 34 Atlanta 24 -0.2
NY Giants 23 Detroit 20 +0.2
San Diego 26 Oakland 13 -0.2
Buffalo 19 Miami 0 +0.2
Cincinnati 42 Minnesota 14 -0.2
NY Jets 24 Cleveland 13 -0.1
Pittsburgh 38 Green Bay 31 +0.1
Dallas 24 Washington 23 -0.1
Week of 12/29100.0*Lottery seed
New Orleans 42 Tampa Bay 17 +1.2
Carolina 21 Atlanta 20 -0.3
Pittsburgh 20 Cleveland 7 -0.3
Denver 34 Oakland 14 -0.3
Indianapolis 30 Jacksonville 10 -0.3
Minnesota 14 Detroit 13 +0.2
Games Above .500
Chance Will Make Playoffs