How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Florida 2 Boston 5 +0.2
Philadelphia 2 Carolina 3 (so)+0.0
Friday100.0*Average seed
Pittsburgh 3 NY Islanders 2 +0.4
Columbus 1 Buffalo 6 -0.1
Saturday100.0*Average seed
Buffalo 4 Pittsburgh 3 (so)-0.3
Florida 1 New Jersey 7 +0.2
Points
Chance Will Make Playoffs