What is the sellout % when the gross sales is $1,727,400?
CREATE TABLE "table1_16331025_2" (
  "dates_mdy" text,
  "position" real,
  "gross_sales" text,
  "tickets_sold_available" text,
  "sellout_pct" text
);
SELECT "sellout_pct" FROM "table1_16331025_2" WHERE "gross_sales"='$1,727,400';