Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1425958_1 (population_rank INTEGER, _percentage_change VARCHAR)
### Question:
When the % change is 8.4, what is the population rank?
### Answer:
SELECT MIN(population_rank) FROM table_1425958_1 WHERE _percentage_change = "8.4"