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 +0.2
Ottawa Senators 1 New York Rangers 3 +0.2
Minnesota Wild 3 Nashville Predators 4 -0.1
Wednesday100.0*Lottery seed
Buffalo Sabres 4 Columbus Blue Jackets 5 -1.0
Thursday100.0*Lottery seed
Columbus Blue Jackets 4 New York Islanders 3 (ot)-0.9
Nashville Predators 4 Dallas Stars 5 (ot)-0.2
New York Rangers 5 Washington Capitals 3 +0.2
Edmonton Oilers 4 Vancouver Canucks 3 (ot)+0.2
Minnesota Wild 5 St. Louis Blues 2 +0.2
Points
Chance Will Make Playoffs