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 10/7100.0*Lottery seed
Minnesota 1 Sporting KC 1 -0.0
Week of 10/15100.0*Lottery seed
New England 2 NYCFC 1 -1.1
Orlando 0 Columbus 1 -0.3
Colorado 1 Real Salt Lake 0 -0.2
Chicago 3 Philadelphia 2 -0.2
Vancouver 1 San Jose 1 +0.1
Toronto FC 1 Montreal 0 -0.1
Seattle 4 FC Dallas 0 -0.0
Los Angeles 3 Minnesota 0 -0.0
Week of 10/22100.0*Lottery seed
Montreal 2 New England 3 -1.5
Real Salt Lake 2 Sporting KC 1 +0.2
San Jose 3 Minnesota 2 +0.1
FC Dallas 5 Los Angeles 1 +0.1
Points
Chance Will Make Playoffs