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
Kansas City 23 Denver 3 +0.7
San Francisco 22 Atlanta 29 +0.3
Detroit 17 Tampa Bay 38 +0.1
Carolina 24 Seattle 30 -0.1
LA Chargers 10 Minnesota 39 -0.1
Washington 27 Philadelphia 37 +0.1
Green Bay 21 Chicago 13 -0.1
Oakland 16 Jacksonville 20 -0.1
New Orleans 34 Indianapolis 7 -0.1
Dallas 44 LA Rams 21 +0.0
Pittsburgh 10 Buffalo 17 -0.0
Baltimore 42 NY Jets 21 -0.0
Week of 12/22100.0*Lottery seed
Denver 27 Detroit 17 -1.3
Seattle 13 Arizona 27 +0.2
NY Jets 16 Pittsburgh 10 +0.1
Tampa Bay 20 Houston 23 -0.1
Chicago 3 Kansas City 26 -0.1
Atlanta 24 Jacksonville 12 +0.1
Philadelphia 17 Dallas 9 +0.1
LA Chargers 17 Oakland 24 +0.0
Cleveland 15 Baltimore 31 -0.0
Week of 12/29100.0*Lottery seed
Denver 16 Oakland 15 -1.4
Buffalo 6 NY Jets 13 +0.5
Jacksonville 38 Indianapolis 20 -0.4
Minnesota 19 Chicago 21 +0.4
Cincinnati 33 Cleveland 23 -0.3
Dallas 47 Washington 16 +0.1
LA Rams 31 Arizona 24 -0.0
Carolina 10 New Orleans 42 -0.0
Games Above .500
Chance Will Make Playoffs