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

Monday100.0*Lottery seed
Boston Bruins 5 St. Louis Blues 2 +0.5
Ottawa Senators 2 Florida Panthers 3 -0.2
Vegas Golden Knights 2 Calgary Flames 4 -0.2
Chicago Blackhawks 4 New York Islanders 2 -0.2
Tampa Bay Lightning 4 Columbus Blue Jackets 5 (so)-0.1
Buffalo Sabres 3 New Jersey Devils 2 (so)-0.1
Detroit Red Wings 0 Toronto Maple Leafs 2 -0.1
Tuesday100.0*Lottery seed
Los Angeles Kings 5 Anaheim Ducks 4 +0.0
Wednesday100.0*Lottery seed
St. Louis Blues 1 Colorado Avalanche 7 +1.2
New Jersey Devils 1 New York Islanders 6 +0.4
Tampa Bay Lightning 2 Detroit Red Wings 4 -0.4
Vegas Golden Knights 2 Vancouver Canucks 4 -0.3
Pittsburgh Penguins 2 Ottawa Senators 1 -0.2
Dallas Stars 7 Los Angeles Kings 4 -0.1
Points
Chance Will Make Playoffs