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
OS 20 HA 21 -0.6
RS 22 OS 27 +0.5
JPP 19 SPA 28 -0.1
LO 25 JPP 18 -0.1
LO 30 SPA 22 +0.0
Monday, 4/8100.0*Average seed
LO 19 OS 14 -0.8
HA 26 BF 15 -0.2
JPP 22 HA 26 -0.2
SPA 31 RS 34 +0.1
SPA 28 SAL 27 -0.0
Wednesday, 4/10None
Games Above .500
Chance Will Make Playoffs