How are these numbers calculated?

Big Games

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

Week of 2/22100.0*Chance in playoffs100.0*Average seed
Cross 7 van Barneveld 3 +13.9
+1.0
van Gerwen 7 Gurney 2 +1.4
Price 3 Suljovic 7 +1.1
Wright 6 Anderson 6 -0.9
If winner is:HomeDrawAway
Week of 3/1100.0*Chance in playoffs100.0*Average seed
Anderson vs Cross-5.5+0.9+3.6
-1.0-0.1+0.8
Whitlock vs Price+0.6-0.4-1.5
Suljovic vs van Gerwen-1.1-0.4+0.4
van Barneveld vs Smith-1.0-0.4+0.3
-0.2-0.1+0.0
Gurney vs Wright-0.5-0.3+0.4
+0.1+0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678910Count
145-0-0In245422166,182,562
134-1-0In43650100187,157,878
124-0-1In012513520426,083,407
3-2-0In012513510194,616,673
113-1-1In0229571100809,256,483
2-3-0In022958110095,149,348
103-0-2In0085135500767,275,061
2-2-1In0085235500558,877,253
1-4-0In007523650022,362,879
92-1-2100.0%012148273001,022,960,348
1-3-1100.001204927300167,693,382
0-5-0In00195028302,043,800
82-0-399.903224625400597,500,797
1-2-299.902224725400447,986,134
0-4-199.90220492640018,543,625
71-1-393.70219433060513,305,524
0-3-293.1011843317064,642,477
61-0-456.5011441368214,927,213
0-2-354.40113403610109,310,662
50-1-412.20112434590,432,488
40-0-50.71138631,008,966
Total:95.4%031327221696326,407,316,960
Games Above .500
Chance Will Make Playoffs