How are these numbers calculated?

Big Games

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

Wednesday, 3/14100.0*Chance in playoffs100.0*Average seed
EG 15 BF 24 +14.3
+1.1
BF 29 RS 10 +13.5
+1.2
SPA 20 LO 19 -1.0
JPP 14 OS 9 +0.8
-0.0
HA 15 SPA 16 -0.8
EG 14 RS 15 +0.7
MEL 6 OS 9 -0.3
-0.0
JPP 17 MEL 9 +0.3
-0.1
HA 12 LO 14 +0.2
Monday, 3/19100.0*Chance in playoffs100.0*Average seed
BF 5 LO 14 -0.1
-1.0
EC 11 BF 19 In
+0.5
MEL 10 SAL 26 -0.1
-0.1
MEL 16 HA 17 -0.1
-0.1
RS 18 QE 3 -0.1
-0.1
RS 12 JPP 19 -0.1
JPP 25 QE 5 -0.1
OS 10 SPA 18 -0.1
SAL 14 HA 13 +0.0
EC 11 LO 23 -0.1
Wednesday, 3/21100.0*Chance in playoffs100.0*Average seed
RS 5 HA 22 -0.2
EG 18 JPP 24 -0.2
EG 12 SPA 25 -0.2
SPA 1 QE 0 -0.2
RS 2 LO 27 -0.1
SPA 21 SAL 17 +0.1
Games Above .500
Chance Will Make Playoffs