How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 5003834189149554$259,563
Auto Club 5003034248737385,250
UAW-Dodge 40026262668585101,508
Kobalt Tools 5003416321616169,025
Food City 5003434498616182,975
Goody’s Cool Orange 500431837443453967,246
Samsung 5002129337100100124,783
Subway Fresh Fit 5003019309737377,997
Aaron’s 499
Crown Royal Presents Richmond 400181740810910990,383
Dodge Challenger 500913367138138111,283
Coca-Cola 600171140021125117117,993
Dover 400918399138138116,583
Pocono 5002232200197510283,408
Michigan 4003929180464671,890
Toyota/Save Mart 350201611210310396,233
Lenox Industrial Tools 3013341281646483,608
Daytona 4001912162106106109,108
Chicagoland 40023302679494105,558
Allstate 400 at the Brickyard3541160158563140,300
Pennsylvania 5003124199707079,208
Centurion Boats at The Glen412981404060,230
3M Performance 4004124117404071,515
Sharpie 5003836279494985,845
California 5002982497676104,583
Chevy Rock and Roll 4002232400979786,083
Sylvania 3003331297646481,497
Dover 400 Number 2123740012712795,433
Kansas 40031262657070100,633
Amp Energy 5002229176979777,475
Bank of America 5002732331828280,108
Martinsville 5002233502979786,633
Pep Boys Auto 5004133301404081,100
Dickies 50029413317676112,408
Checker Auto Parts 500202331210310388,883
Ford 40022332669797
9,98492,826+25-0=2,851$3,286,328