How are these numbers calculated?

Big Games

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

Monday, 3/30100.0*Chance in playoffs100.0*Average seed
Team DP 15 Victorious Secr 13 +22.6
+1.8
Victorious Secr 8 Team DP 7 -20.0
-1.6
WHERE AM I? 1 Team DP 0 -10.0
-1.1
Team DP 0 WHERE AM I? 1 -10.0
-1.1
Team DP 36 SnorfaPorca 0 +1.4
+0.6
JT & AC 0 Thunderstruck 1 -0.2
BH Bears 0 Thavma 1 +0.2
JT & AC 0 B & the B 1 +0.2
Team Pokerface 1 JT & AC 0 +0.1
JT & AC 0 WFS 1 +0.1
Games Above .500
Chance Will Make Playoffs