How are these numbers calculated?

Big Games

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

Tuesday100.0*Average seed
New Jersey Devils 3 Tampa Bay Lightning 4 -0.4
Detroit Red Wings 4 Montreal Canadiens 2 +0.4
WednesdayNone
Thursday100.0*Average seed
Boston Bruins 3 Tampa Bay Lightning 4 -0.7
Detroit Red Wings 4 Carolina Hurricanes 3 (ot)+0.6
Points
Chance Will Make Playoffs