2 Kings 17:2
And he did that which was evil in the sight of the Lord, but not as the kings of Israel that were before him.
Cross-reference
2 Kings 3:2 uses identical phrasing about Jehoram doing evil but not like his parents, paralleling the evaluation of Hoshea.
2 Kings 13:2 describes Jehoahaz's evil, the standard from which Hoshea's evil is distinguished as 'not like'.
2 Kings 13:11 shows Jehoash's persistence in Jeroboam's sins, the baseline that Hoshea's lesser evil is contrasted with.
2 Kings 15:9 records Zechariah doing evil as his fathers did, the pattern that Hoshea's reign is compared against.
2 Kings 15:18 describes Menahem's evil and persistence in Jeroboam's sins, the typical evil that Hoshea's evaluation contrasts with.
In 2 Kings 15:24, the usual formula 'did evil as the kings before' appears; here a variation notes Hoshea was not as bad.
2 Kings 10:31 notes Jehu's partial obedience, contrasting with Hoshea's comparison to previous kings who did evil consistently.