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
Arizona 38 Cleveland 24 +1.7
Detroit 17 Tampa Bay 38 +0.2
San Francisco 22 Atlanta 29 +0.2
Green Bay 21 Chicago 13 -0.1
Oakland 16 Jacksonville 20 -0.1
New Orleans 34 Indianapolis 7 -0.1
LA Chargers 10 Minnesota 39 -0.1
Carolina 24 Seattle 30 -0.1
Tennessee 21 Houston 24 +0.1
Dallas 44 LA Rams 21 +0.1
Washington 27 Philadelphia 37 +0.1
Pittsburgh 10 Buffalo 17 -0.1
Kansas City 23 Denver 3 -0.1
Week of 12/22100.0*Lottery seed
Cleveland 15 Baltimore 31 +0.6
LA Chargers 17 Oakland 24 +0.2
Tampa Bay 20 Houston 23 -0.2
Chicago 3 Kansas City 26 -0.2
Atlanta 24 Jacksonville 12 +0.1
Philadelphia 17 Dallas 9 +0.1
Indianapolis 38 Carolina 6 +0.0
Denver 27 Detroit 17 +0.0
Miami 38 Cincinnati 35 (ot)+0.0
Week of 12/29100.0*Lottery seed
Cincinnati 33 Cleveland 23 +2.7
Minnesota 19 Chicago 21 +0.5
Jacksonville 38 Indianapolis 20 -0.4
Buffalo 6 NY Jets 13 +0.3
LA Rams 31 Arizona 24 -0.1
Carolina 10 New Orleans 42 -0.1
Dallas 47 Washington 16 +0.1
Denver 16 Oakland 15 -0.1
Games Above .500
Chance Will Make Playoffs