How are these numbers calculated?

Big Games

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

Sunday, 11/10100.0*Average seed
Her 1 Riv 3 +0.0
Monday, 11/11100.0*Average seed
Her 0 LP 1 +0.0
Tuesday, 11/12100.0*Average seed
AF 0 Her 2 -0.5
Points
Chance Will Make Playoffs