Metrics > Unsubscribe Rate Unsubscribe Rate Definition: Percentage of email recipients who unsubscribed from a mailing list.Formula: Unsubscribe Rate =(Unsubscribes Emails Delivered) × 100Why It Matters:A high unsubscribe rate indicates low engagement or irrelevant content. How to Improve: Use better email segmentation Personalize email content and offers Reduce email frequency if too high Relevant Integrations: HubSpot Mailchimp Example Calculation:If 10,000 emails were delivered and 100 people unsubscribed, then:Unsubscribe Rate=(10010000)×100=1%