How are these numbers calculated?

Big Games

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

Tuesday, 4/20100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Cross 4 Van den Bergh 7 -13.1
+13.1
-0.7
Wright 4 Wade 7 -8.4
+8.4
Durrant 4 de Sousa 7 -1.2
+1.2
-0.1
van Gerwen 6 Anderson 6 -1.0
+1.0
-0.1
Aspinall 6 Clayton 6 -1.0
+1.0
-0.0
Wednesday, 4/21100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Cross 5 Aspinall 7 -24.0
+24.0
-0.6
Wright 7 Durrant 1 -7.4
+7.4
-0.1
Wade 7 Clayton 2 -6.1
+6.1
-0.1
van Gerwen 7 de Sousa 4 +1.0
-1.0
Anderson 5 Van den Bergh 7 +0.7
-0.7
+0.1
Thursday, 4/22None
Games Above .500
Chance Will Make Playoffs