Cleveland Browns Playoff Chances 2015 50/50

Did not play, lottery seed unchanged at 31
1-14-0   .067

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
Seattle 1 Cleveland 0 +0.8
San Francisco 0 Cincinnati 1 -0.2
Dallas 0 NY Jets 1 -0.2
Minnesota 1 Chicago 0 -0.2
San Diego 1 Miami 0 +0.1
New England 1 Tennessee 0 -0.1
Week of 12/24100.0*Lottery seed
Kansas City 1 Cleveland 0 +0.9
Buffalo 1 Dallas 0 -0.2
Tampa Bay 0 Chicago 1 +0.2
Tennessee 0 Houston 1 -0.2
Detroit 1 San Francisco 0 -0.2
Oakland 1 San Diego 0 -0.1
If winner is:HomeTieAway
Week of 1/3100.0*Lottery seed
Cleveland vs Pittsburgh-1.0+0.5+1.0
Indianapolis vs Tennessee-0.2+0.3+0.2
San Francisco vs St. Louis+0.2+0.3-0.2
Chicago vs Detroit+0.3+0.2-0.3
Dallas vs Washington+0.2-0.2-0.3

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T1234567891011121314151617181920212223242526272829303132
21-0-062538256
1.50-0-14951
10-1-0100
Total:312191353
Games Above .500
Chance Will Make Playoffs