How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/20100.0*Chance in playoffs100.0*Average seed
Wright 7 Wade 3 -1.2
-0.2
Chisnall 7 Lewis 3 +0.4
-0.1
Chisnall 7 Taylor 2 +0.4
-0.1
van Gerwen 7 van Barneveld 2 +0.2
Taylor 7 Anderson 4 +0.1
If winner is:HomeDrawAway
Week of 4/27100.0*Chance in playoffs100.0*Average seed
Wade vs Lewis+0.9-0.4Out
+0.4-0.0-0.2
Taylor vs Wright-0.2-0.1+0.2
Lewis vs van Gerwen-0.2-0.1+0.1
Anderson vs van Barneveld-0.0+0.1-0.0
Chisnall vs van Gerwen-0.1+0.0+0.0
-0.1-0.1+0.1

What If

Chances based on how well the Wade finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678910EliminatedCount
163-0-011.5%1114236100No1,012,674,975
152-1-00.200838477No1,918,878,862
142-0-1Out095338No4,665,380,550
1-2-0Out055144No1,218,433,044
131-1-1Out02179No5,915,521,712
0-3-0Out1585No257,172,220
121-0-2Out694No7,172,778,071
0-2-1Out100No1,869,513,097
10-11Out100No8,180,077,349*
Total:0.4%00251875No32,210,429,880

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs