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 4/23100.0*Lottery seed
Alianza Lima 0 Internacional 1 +2.8
Junior 1 San Lorenzo 0 +0.3
Zamora 2 Cerro Porteno 1 +0.3
San Jose 3 Penarol 1 +0.2
Jorge Wilstermann 3 Athletico-PR 2 +0.2
Atletico-MG 0 Nacional 1 -0.2
LDU 2 Flamengo 1 +0.1
Libertad 0 Gremio 2 +0.1
Melgar 0 Palmeiras 4 -0.1
Deportivo Lara 0 Cruzeiro 2 -0.1
Huracan 1 Emelec 2 -0.0
Deportes Tolima 2 Boca Juniors 2 +0.0
Rosario Central 1 Universidad Catolica 1 -0.0
Week of 5/7100.0*Lottery seed
Alianza Lima 1 Palestino 2 +1.8
Huracan 3 Deportivo Lara 0 +0.2
Points
Chance Will Make Playoffs