PageView Events inconsistent with MailChimp Report

When I create a standard report for unique PageViews of a particular URL, the result (74 views) is far from the unique URL clicks that are reported from Mail Chimp (118 total clicks), for the same time period.

HEAP Report:

Mail Chimp report:

Any insight as to why this delta (46 clicks/views) is so big and what might cause the discrepancy?

Thanks,

Grant