whats the percentage of difference between the frog and zebra fish ?
CREATE TABLE table_204_358 (
    id number,
    "species" text,
    "common name" text,
    "ncbi accession #" text,
    "ncbi name" text,
    "length" text,
    "sequence identity" text,
    "sequence similarity" text,
    "years since divergence from human (mya)" number
)
SELECT (SELECT "sequence identity" FROM table_204_358 WHERE "common name" = 'frog') - (SELECT "sequence identity" FROM table_204_358 WHERE "common name" = 'zebra fish')
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: whats the percentage of difference between the frog and zebra fish ? ### Input: CREATE TABLE table_204_358 (
    id number,
    "species" text,
    "common name" text,
    "ncbi accession #" text,
    "ncbi name" text,
    "length" text,
    "sequence identity" text,
    "sequence similarity" text,
    "years since divergence from human (mya)" number
) ### Response: SELECT (SELECT "sequence identity" FROM table_204_358 WHERE "common name" = 'frog') - (SELECT "sequence identity" FROM table_204_358 WHERE "common name" = 'zebra fish')