How are these numbers calculated?

Big Games

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

Monday, 4/1100.0*Average seed
LO 30 SPA 22 +0.2
OS 20 HA 21 -0.1
RS 24 HA 26 -0.1
LO 25 JPP 18 +0.1
Monday, 4/8100.0*Average seed
LO 19 OS 14 +0.5
JPP 22 HA 26 -0.0
HA 26 BF 15 -0.0
Wednesday, 4/10100.0*Average seed
SPA 22 HA 28 -0.1
Games Above .500
Chance Will Make Playoffs