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 6/15100.0*Lottery seed
Mexico 1 Italy 2 +1.3
Brazil 2 Mexico 0 +0.5
Nigeria 1 Uruguay 2 +0.2
Spain 10 Thaiti 0 -0.1
Italy 4 Japan 3 -0.1
Brazil 3 Japan 0 +0.0
Week of 6/22100.0*Lottery seed
Japan 1 Mexico 2 -0.8
Nigeria 0 Spain 3 -0.1
Uruguay 8 Thaiti 0 +0.0
Points
Chance Will Make Playoffs