what is the percent decline from peak population when the peak population (year) is 178320 (1960)?
CREATE TABLE table_name_98 (
    percent_decline_from_peak_population VARCHAR,
    peak_population__year_ VARCHAR
)
SELECT percent_decline_from_peak_population FROM table_name_98 WHERE peak_population__year_ = "178320 (1960)"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: what is the percent decline from peak population when the peak population (year) is 178320 (1960)? ### Input: CREATE TABLE table_name_98 (
    percent_decline_from_peak_population VARCHAR,
    peak_population__year_ VARCHAR
) ### Response: SELECT percent_decline_from_peak_population FROM table_name_98 WHERE peak_population__year_ = "178320 (1960)"