How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Chance in playoffs100.0*Average seed
Colorado 4 Winnipeg 7 +17.3
+0.4
Nashville 2 Minnesota 3 (ot)-14.5
-0.2
Vancouver 2 Arizona 1 +2.8
+0.1
Calgary 4 Los Angeles 3 (ot)-2.4
-0.1
FridayNone
Saturday100.0*Chance in playoffs100.0*Average seed
Winnipeg 2 Calgary 1 +32.4
+0.9
Arizona 2 Anaheim 4 +16.5
+0.3
St Louis 3 Minnesota 2 (so)+11.9
+0.3
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Thursday100.0*Lottery seed
Colorado 4 Winnipeg 7 -1.5
Nashville 2 Minnesota 3 (ot)+0.7
Calgary 4 Los Angeles 3 (ot)+0.2
Montreal 2 Detroit 3 (so)+0.2
Vancouver 2 Arizona 1 -0.2
Tampa Bay 1 New Jersey 3 +0.1
NY Rangers 5 Ottawa 3 +0.1
FridayNone
Saturday100.0*Lottery seed
Winnipeg 2 Calgary 1 -2.7
Arizona 2 Anaheim 4 -0.8
St Louis 3 Minnesota 2 (so)-0.6
Toronto 2 Montreal 3 -0.2
Florida 1 New Jersey 7 +0.2
Washington 1 NY Rangers 4 +0.1
Carolina 4 Detroit 1 -0.1