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
van Gerwen 6 Anderson 6 +3.3
-3.3
+0.1
Wright 4 Wade 7 -2.2
+2.2
+0.1
Cross 4 Van den Bergh 7 +1.2
-1.2
+0.0
Durrant 4 de Sousa 7 -0.4
+0.4
-0.1
Aspinall 6 Clayton 6 -0.3
+0.3
-0.0
Wednesday, 4/21100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Cross 5 Aspinall 7 In
No
Anderson 5 Van den Bergh 7 -2.4
+2.4
-1.0
Wade 7 Clayton 2 -0.6
+0.6
Wright 7 Durrant 1 -0.5
+0.5
-0.1
van Gerwen 7 de Sousa 4 +0.3
-0.3
+0.1
Thursday, 4/22100.0*Chance in playoffs100.0*Eliminated100.0*Average seed
Aspinall 7 Anderson 2 -0.9
Clayton 7 van Gerwen 3 -0.4
Van den Bergh 6 Wade 6 -0.1
de Sousa 6 Wright 6 -0.1
Games Above .500
Chance Will Make Playoffs