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 5/16100.0*Lottery seed
San Lorenzo 2 Flamengo 1 +0.3
Libertad 1 Sport Boys 1 -0.3
Sporting Cristal 0 Santa Fe 2 +0.2
Barcelona 0 Estudiantes 3 +0.2
Lanus 3 Chapecoense 0 -0.0
Botafogo 1 Atletico Nacional 0 -0.0
Melgar 2 River Plate 3 -0.0
Zulia 0 Nacional 0 +0.0
Week of 5/24100.0*Lottery seed
Palmeiras 3 Atletico Tucuman 1 +2.3
Penarol 2 Jorge Wilstermann 0 -1.0
River Plate 1 Independiente Medellin 2 +0.5
Estudiantes 1 Botafogo 0 +0.5
Emelec 3 Melgar 0 +0.0
Points
Chance Will Make Playoffs