CREATE TABLE table_19969 ("Province" TEXT, "Prefecture" TEXT, "County" TEXT, "Tujia Population" FLOAT, "% of Chinas Tujia Population" TEXT)

When the tujia population is 462444 what is the overall percentage of the chinas tujia population?
SELECT "% of Chinas Tujia Population" FROM table_19969 WHERE "Tujia Population" = '462444'
SELECT "% of Chinas Tujia Population" FROM "table_19969" WHERE "Tujia Population" = '462444'