How are these numbers calculated?

Big Games

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

Wednesday100.0*Average seed
Dallas Stars 3 Chicago Blackhawks 2 +0.2
Thursday100.0*Average seed
Chicago Blackhawks 3 Nashville Predators 4 +1.0
Colorado Avalanche 2 San Jose Sharks 6 -0.3
Points
Chance Will Make Playoffs