How are these numbers calculated?

Big Games

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

Wednesday, 3/14100.0*Average seed
EG 15 BF 24 +0.0
JPP 17 MEL 9 +0.1
MEL 6 OS 9 +0.1
EG 14 RS 15 +0.1
Monday, 3/19100.0*Average seed
RS 18 QE 3 +0.1
EG 15 OS 19 +0.1
EC 11 LO 23 -0.1
JPP 25 QE 5 +0.1
MEL 16 HA 17 +0.1
MEL 10 SAL 26 +0.1
EC 11 BF 19 -0.0
Wednesday, 3/21100.0*Average seed
EG 18 JPP 24 +0.1
EG 12 SPA 25 +0.0
SPA 1 QE 0 +0.0
Games Above .500
Chance Will Make Playoffs