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 10/24100.0*Lottery seed
Miami 2 Orlando 1 -1.8
FC Dallas 2 Miami 1 +0.8
DC United 1 Columbus 0 +0.2
Montreal 0 Nashville 1 -0.1
LAFC 2 Houston 1 -0.1
Minnesota 2 Colorado 1 -0.1
Philadelphia 2 Chicago 1 -0.1
Sporting KC 4 Colorado 0 -0.1
Atlanta 1 DC United 2 -0.1
Orlando 4 Atlanta 1 -0.1
LAFC 2 LA Galaxy 0 -0.1
Cincinnati 0 Minnesota 1 -0.1
Chicago 2 NY Red Bulls 2 -0.1
Portland 5 LA Galaxy 2 -0.1
Vancouver 2 San Jose 1 +0.0
Vancouver 0 Seattle 2 -0.0
San Jose 2 RSL 0 -0.0
Cincinnati 0 Sporting KC 1 -0.0
Week of 10/31100.0*Lottery seed
Toronto FC 2 Miami 1 +0.7
Portland 0 Colorado 1 +0.3
Colorado 3 Seattle 1 +0.3
FC Dallas 3 Houston 0 -0.2
Montreal 0 Orlando 1 -0.2
New England 4 DC United 3 -0.1
Atlanta 2 Cincinnati 0 +0.1
LA Galaxy 2 RSL 1 -0.1
Nashville 1 Chicago 1 +0.1
LA Galaxy 1 Seattle 1 +0.1
Portland 1 Vancouver 0 -0.0
Week of 11/8100.0*Lottery seed
Miami 2 Cincinnati 1 -1.5
RSL 0 Sporting KC 2 -0.4
Vancouver 3 LA Galaxy 0 -0.3
Chicago 3 NYCFC 4 -0.2
DC United 2 Montreal 3 +0.2
Houston 1 Colorado 2 -0.2
Columbus 2 Atlanta 1 -0.1
Points
Chance Will Make Playoffs