CREATE TABLE table_55211 ("Average population" TEXT, "Live births" FLOAT, "Deaths" FLOAT, "Natural change" FLOAT, "Crude birth rate  ( per 1000 ) " FLOAT, "Crude death rate  ( per 1000 ) " FLOAT, "Natural change  ( per 1000 ) " FLOAT)

What is natural change with a crude death rate of 8.7 and less than 472 live births?
SELECT "Natural change" FROM table_55211 WHERE "Crude death rate (per 1000)" = '8.7' AND "Live births" < '472'
SELECT "Natural change" FROM "table_55211" WHERE "Crude death rate (per 1000)" = '8.7' AND "Live births" < '472'