How are these numbers calculated?

Big Games

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

Week of 4/27100.0*Chance in playoffs100.0*Average seed
vanBarneveld 4 Anderson 7 +30.9
+0.9
Lewis 4 Wade 7 +5.4
+0.1
Wright 7 Taylor 3 +4.4
+0.1
vanGerwen 7 Lewis 0 +3.4
+0.1
vanGerwen 6 Chisnall 6 -0.2
-0.0
If winner is:HomeDrawAway
Week of 5/4100.0*Chance in playoffs100.0*Average seed
Anderson vs Wade+7.8+5.0-16.4
+0.3+0.1-0.5
Taylor vs vanGerwen-4.2-1.0+2.0
-0.3-0.0+0.1
Chisnall vs vanBarneveld+0.7+2.4-1.9
+0.0+0.1-0.1
Lewis vs Wright-2.1+0.4+0.8

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678910RelegatedCount
202-0-0In1486No5,951,100,724
191-1-0In4942No8,161,590,042
181-0-199.6%86140No17,078,146,771
0-2-099.887120No2,483,941,536
170-1-194.5583650No9,463,143,016
160-0-257.214433660No8,259,846,591
Total:92.0%27119710No51,397,768,680
Games Above .500
Chance Will Make Playoffs