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
New Orleans 34 Indianapolis 7 +1.1
Arizona 38 Cleveland 24 -0.2
Oakland 16 Jacksonville 20 -0.2
LA Chargers 10 Minnesota 39 -0.1
Green Bay 21 Chicago 13 -0.1
Kansas City 23 Denver 3 -0.1
Detroit 17 Tampa Bay 38 +0.1
San Francisco 22 Atlanta 29 +0.1
Carolina 24 Seattle 30 -0.1
NY Giants 36 Miami 20 +0.1
Washington 27 Philadelphia 37 +0.1
Dallas 44 LA Rams 21 +0.0
Week of 12/22100.0*Lottery seed
Indianapolis 38 Carolina 6 -1.3
Chicago 3 Kansas City 26 -0.1
Denver 27 Detroit 17 +0.1
Tampa Bay 20 Houston 23 -0.1
Philadelphia 17 Dallas 9 +0.1
Cleveland 15 Baltimore 31 -0.1
NY Jets 16 Pittsburgh 10 +0.1
Atlanta 24 Jacksonville 12 +0.1
Week of 12/29100.0*Lottery seed
Jacksonville 38 Indianapolis 20 +2.6
Minnesota 19 Chicago 21 +0.5
Tampa Bay 22 Atlanta 28 -0.2
Cincinnati 33 Cleveland 23 -0.2
Denver 16 Oakland 15 -0.1
Houston 14 Tennessee 35 -0.1
Dallas 47 Washington 16 +0.0
Baltimore 28 Pittsburgh 10 +0.0
Games Above .500
Chance Will Make Playoffs