text:  Other findings, debate watchers preferred Trump over Biden on the economy by 56 to 44 percent and divided about evenly between the two on foreign policy. The debate did not do much to move impressions of either candidate. Gordon. Thank you, Mike. Favorable views of Biden before the debate stood at 55 percent and they held steady at 56 percent in post-debate interviews. Likewise, Trump's numbers held steady with 42 percent.