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

Thursday100.0*Lottery seed
Montreal 2 Detroit 3 (so)-1.2
NY Rangers 5 Ottawa 3 +0.2
Tampa Bay 1 New Jersey 3 +0.2
Colorado 4 Winnipeg 7 +0.1
Calgary 4 Los Angeles 3 (ot)+0.1
Friday100.0*Lottery seed
Pittsburgh 3 NY Islanders 2 -0.1
Saturday100.0*Lottery seed
Carolina 4 Detroit 1 +1.1
Florida 1 New Jersey 7 +0.3
Washington 1 NY Rangers 4 +0.3
NY Islanders 1 Columbus 3 -0.2
Arizona 2 Anaheim 4 -0.2
Winnipeg 2 Calgary 1 +0.1
Toronto 2 Montreal 3 -0.1
Points
Chance Will Make Playoffs