In its latest campaign, Dunkin Donuts delivered 21,873 emails including a link to a web page where customers could download a free donut to their 3D printer. These emails were opened 3,527 times and recipients clicked through to the download site 1,713 times. Calculate Clickthrough Rate for this email campaign. Report as a percent. Report 25.5%, for example, as "25.5". Rounding: tenth of a percent.
MARKETING METRICS IS THE SUBJECT OF THE QUESTION.