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

Tuesday100.0*Lottery seed
Chicago Blackhawks 4 St. Louis Blues 3 -0.2
San Jose Sharks 3 Edmonton Oilers 5 +0.1
Minnesota Wild 3 Nashville Predators 4 +0.1
Wednesday100.0*Lottery seed
Buffalo Sabres 4 Columbus Blue Jackets 5 +0.8
New York Islanders 5 Pittsburgh Penguins 3 +0.1
Thursday100.0*Lottery seed
Pittsburgh Penguins 1 Buffalo Sabres 2 -0.6
Minnesota Wild 5 St. Louis Blues 2 -0.3
Columbus Blue Jackets 4 New York Islanders 3 (ot)-0.2
Anaheim Ducks 1 Arizona Coyotes 4 -0.1
Points
Chance Will Make Playoffs