How are these numbers calculated?

Big Games

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

Tuesday100.0*Chance in playoffs100.0*Average seed
Detroit Red Wings 4 Montreal Canadiens 2 +17.5
+0.3
Carolina Hurricanes 4 Philadelphia Flyers 2 -1.7
-0.0
Ottawa Senators 1 New York Rangers 3 +1.3
+0.2
WednesdayNone
Thursday100.0*Chance in playoffs100.0*Average seed
Montreal Canadiens 3 Toronto Maple Leafs 2 -34.0
-0.6
New York Rangers 5 Washington Capitals 3 In
+0.2
Ottawa Senators 2 Philadelphia Flyers 1 -0.3
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Tuesday100.0*Lottery seed
Detroit Red Wings 4 Montreal Canadiens 2 -0.5
Ottawa Senators 1 New York Rangers 3 -0.3
Carolina Hurricanes 4 Philadelphia Flyers 2 +0.1
WednesdayNone
Thursday100.0*Lottery seed
Montreal Canadiens 3 Toronto Maple Leafs 2 +1.3
Ottawa Senators 2 Philadelphia Flyers 1 +0.6
New York Rangers 5 Washington Capitals 3 -0.4