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
Wright 4 Wade 7 +27.8
-27.8
+1.0
Cross 4 Van den Bergh 7 +6.1
-6.1
+0.1
Durrant 4 de Sousa 7 -1.6
+1.6
-0.1
van Gerwen 6 Anderson 6 -1.5
+1.5
-0.0
Aspinall 6 Clayton 6 -1.0
+1.0
-0.0
Wednesday, 4/21100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Wade 7 Clayton 2 +14.2
-14.2
+1.5
Cross 5 Aspinall 7 +6.3
-6.3
+0.1
Wright 7 Durrant 1 -2.4
+2.4
-0.1
van Gerwen 7 de Sousa 4 +0.5
-0.5
+0.1
Anderson 5 Van den Bergh 7 +0.3
-0.3
+0.1
Thursday, 4/22100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Van den Bergh 6 Wade 6 +0.5
de Sousa 6 Wright 6 +0.3
Clayton 7 van Gerwen 3 -0.3
Aspinall 7 Anderson 2 +0.1
Games Above .500
Chance Will Make Playoffs