How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 500226202261705175$1,120,416
Auto Club 5005325011555160171,708
UAW-DaimlerChrysler 400514267151555160180,783
Kobalt Tools 500104325134134112,183
Food City 500
Goody’s Cool Orange 500
Samsung 50036334165165275,583
Subway Fresh Fit 500122031212712798,183
Aaron’s 499
Crown Royal Presents The Jim Stewart 4001794002112511795,683
Dodge Avenger 5001437367121121108,308
Coca-Cola 6001111400130130128,463
Autism Speaks 400 presented by Visa721400146146128,308
Pocono 50073410611465151112,483
Citizens Bank 4002915198767681,950
Toyota/Save Mart 350
Lenox Industrial Tools 300
Pepsi 400179160112112122,283
USG Sheetrock 400144267121121118,408
Allstate 400 at the Brickyard613160150150223,075
Pennsylvania 50092520013813887,325
AMD at The Glen
3M Performance 4004210101373777,665
Sharpie 500
California 500
Chevy Rock and Roll 400211940010010078,475
Sylvania 300
Dover 400431400221605165124,425
Banquet 4001239210127127106,575
UAW-Ford 500
Bank of America 500161233711511584,550
Subway 500
Georgia 500431264343487,861
Dickies 50034102786161103,625
Checker Auto Parts 500
Ford 400 - Homestead-Miami9626713813885,250
6,405672,930+30-0=2,960$3,913,568