SELECT "passed" FROM table_27923 WHERE "% YES" = '52.49%'
What was the result of the ballot that had a 52.49% yes vote percentage?
CREATE TABLE table_27923 (
    "meas. num" real,
    "passed" text,
    "YES votes" real,
    "NO votes" real,
    "% YES" text,
    "Const. Amd.?" text,
    "type" text,
    "description" text
)