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
SPA 20 LO 19 -3.5
-0.1
MEL 6 OS 9 -2.3
HA 15 SPA 16 -2.3
-0.0
JPP 14 OS 9 +1.9
+0.1
BF 29 RS 10 +1.1
+0.0
EG 14 RS 15 -1.1
-0.0
HA 12 LO 14 +0.8
JPP 17 MEL 9 -0.6
EG 15 BF 24 -0.1
Monday, 3/19100.0*Chance in playoffs100.0*Average seed
SAL 14 HA 13 +30.8
+0.9
OS 10 SPA 18 +4.6
+0.1
MEL 10 SAL 26 +4.4
+0.2
RS 12 JPP 19 +2.3
+0.1
RS 18 QE 3 -1.2
-0.0
EG 15 OS 19 -1.2
-0.0
MEL 16 HA 17 -0.7
-0.0
BF 5 LO 14 +0.3
JPP 25 QE 5 -0.1
EC 11 LO 23 -0.1
-0.0
Wednesday, 3/21100.0*Chance in playoffs100.0*Average seed
RS 5 HA 22 -12.2
-0.1
JPP 18 SAL 32 In
+0.8
SPA 21 SAL 17 -4.2
-0.4
RS 2 LO 27 +3.6
+0.1
Games Above .500
Chance Will Make Playoffs