The Common Council shall, after publishing a Class 2 notice under Ch. 985, Wis. Stats., hold a public hearing upon each proposed amendment. The notice shall list the time, place, and the changes or amendments proposed. The City Clerk shall also give at least 10 days' prior written notice to the clerk of any municipality within 1,000 feet of any land to be affected by the proposed change or amendment. If the proposed amendment had been initiated by petition, then at least 10 days' prior written notice of the public hearing shall also be sent to all property owners within 200 feet of the areas of land included within the proposed amendment. In addition, when a proposed amendment is initiated by petition, all such affected neighboring property owners shall be mailed a copy of the agenda without attachments for the Plan Commission meeting at which a recommendation on such proposed amendment is to be acted upon.