Dallas Cowboys Playoff Chances 50/50

Lost to Washington 23-34, lottery seed up 0.6 to 29
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 12/17100.0*Lottery seed
Dallas 16 NY Jets 19 +2.3
New England 33 Tennessee 16 -0.2
New Orleans 27 Detroit 35 +0.2
San Francisco 14 Cincinnati 24 -0.2
Baltimore 14 Kansas City 34 -0.2
St. Louis 31 Tampa Bay 23 +0.2
Jacksonville 17 Atlanta 23 -0.2
Philadelphia 17 Arizona 40 +0.2
Seattle 30 Cleveland 13 -0.2
Minnesota 38 Chicago 17 -0.1
Oakland 20 Green Bay 30 -0.1
San Diego 30 Miami 14 +0.1
Washington 35 Buffalo 25 -0.0
Week of 12/24100.0*Lottery seed
Buffalo 16 Dallas 6 +1.9
Minnesota 49 NY Giants 17 +0.2
Baltimore 20 Pittsburgh 17 +0.2
Tampa Bay 21 Chicago 26 +0.2
Oakland 23 San Diego 20 -0.1
Arizona 38 Green Bay 8 +0.1
Seattle 17 St. Louis 23 +0.1
New Orleans 38 Jacksonville 27 -0.1
Tennessee 6 Houston 34 -0.1
Kansas City 17 Cleveland 13 -0.1
Philadelphia 24 Washington 38 -0.1
Detroit 32 San Francisco 17 -0.1
Atlanta 20 Carolina 13 +0.0
Week of 1/3100.0*Lottery seed
Dallas 23 Washington 34 +1.5
Houston 30 Jacksonville 6 -0.3
Miami 20 New England 10 +0.3
Denver 27 San Diego 20 -0.3
San Francisco 19 St. Louis 16 +0.3
Cincinnati 24 Baltimore 16 -0.2
Arizona 6 Seattle 36 -0.1
Games Above .500
Chance Will Make Playoffs