How are these numbers calculated?

Big Games

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

Thursday100.0*Chance in playoffs100.0*Average seed
Columbus 3 Tampa Bay 2 +6.1
-0.0
Philadelphia 1 Nashville 3 -6.0
-0.1
FridayNone
Saturday100.0*Chance in playoffs100.0*Average seed
Buffalo 1 Philadelphia 2 (ot)In
Detroit 5 Tampa Bay 1 In
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Thursday100.0*Lottery seed
Philadelphia 1 Nashville 3 +0.2
Columbus 3 Tampa Bay 2 -0.1
FridayNone
SaturdayNone