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 9/21100.0*Lottery seed
LA Galaxy 2 Montreal 1 +0.6
Minnesota 2 Sporting KC 1 -0.1
Cincinnati 0 Chicago 0 -0.1
LAFC 3 Houston 1 -0.1
Sporting KC 2 Colorado 3 +0.1
New England 0 RSL 0 -0.0
Vancouver 1 Columbus 1 -0.0
Portland 2 New England 2 +0.0
Week of 9/29100.0*Lottery seed
Montreal 1 Atlanta 1 +0.4
Colorado 3 FC Dallas 0 +0.2
Sporting KC 2 Portland 2 -0.2
RSL 2 Houston 1 -0.2
Cincinnati 1 Orlando 1 -0.1
Chicago 2 Toronto FC 2 -0.1
New England 2 NYCFC 0 +0.1
Columbus 2 Philadelphia 0 +0.1
Week of 10/6100.0*Lottery seed
Montreal 3 NY Red Bulls 0 -1.4
Houston 4 LA Galaxy 2 +0.2
Toronto FC 1 Columbus 0 -0.2
FC Dallas 6 Sporting KC 0 -0.2
Orlando 2 Chicago 5 +0.1
Points
Chance Will Make Playoffs