The remnant that is escaped - Terrible ravages seem to have been committed in the first attack (2 Kings 18:13 note). And though the second invasion was comparatively harmless, yet it probably fell heavily on the cities of the west and the southwest. Thus the “escaped” were but “a remnant.”
Bear fruit upward - The flourishing time of Josiah is the special fulfillment of this prophecy 2 Kings 23:15-20.