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
HA 15 SPA 16 +20.6
+1.2
SPA 20 LO 19 +20.5
+1.2
BF 29 RS 10 +1.0
MEL 6 OS 9 -0.8
EG 14 RS 15 -0.8
-0.0
JPP 14 OS 9 +0.5
JPP 17 MEL 9 -0.2
Monday, 3/19100.0*Chance in playoffs100.0*Average seed
OS 10 SPA 18 +2.7
+0.4
BF 5 LO 14 -0.7
+0.2
RS 12 JPP 19 +0.5
-0.1
EG 15 OS 19 -0.3
-0.0
MEL 10 SAL 26 -0.2
-0.0
RS 18 QE 3 -0.2
-0.0
SAL 14 HA 13 -0.1
MEL 16 HA 17 -0.1
EC 11 LO 23 -0.1
-0.0
JPP 25 QE 5 -0.0
EC 11 BF 19 -0.0
Wednesday, 3/21100.0*Chance in playoffs100.0*Average seed
RS 5 HA 22 +0.1
EG 12 SPA 25 In
+0.1
SPA 1 QE 0 In
+0.1
SPA 21 SAL 17 In
+0.7
RS 2 LO 27 -0.0
JPP 18 SAL 32 +0.2
EG 18 JPP 24 -0.0
Games Above .500
Chance Will Make Playoffs