How are these numbers calculated?

Big Games

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

Monday100.0*Average seed
Tampa Bay Lightning 4 Columbus Blue Jackets 5 (so)+0.4
New York Rangers 1 Pittsburgh Penguins 4 +0.3
Buffalo Sabres 3 New Jersey Devils 2 (so)-0.1
Nashville Predators 1 Philadelphia Flyers 3 -0.1
Tuesday100.0*Average seed
Columbus Blue Jackets 3 Carolina Hurricanes 2 +0.3
WednesdayNone
Points
Chance Will Make Playoffs