How are these numbers calculated?

Big Games

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

Monday100.0*Average seed
Cardinals 2 Dodgers 9 -0.1
Mets 3 Phillies 32 +0.0
Tuesday100.0*Average seed
Cardinals 12 Dodgers 14 -0.1
Mets 5 Phillies 12 +0.0
Wednesday100.0*Average seed
Cardinals 4 Dodgers 16 -0.1
Mets 7 Phillies 15 +0.0
Games Above .500
Chance Will Make Playoffs