Bud Light has suffered a “staggering” sales hit following the beer brand’s controversial marketing tie-up with transgender influencer Dylan Mulvaney — with the latest data showing an alarming 17% drop, according to an industry research firm. The latest sales data from NielsenIQ and Bump Williams Consulting shows that Bud Light sales fell 17% in dollars, while volume dropped a whopping 21% in the week ended April 15.