40% Less (By Brian Pittman)

African Amercians were considered 3/5 of a man.

"Though the word "slavery" does not appear in the Constitution, the issue was central to the debates over commerce and representation. The "Three-Fifths Compromise" provided that three-fifths (60%) of enslaved people in each state would count toward congressional representation, increasing the number of Southern seats. In return, Southern states agreed to stop importing slaves from Africa by 1808. As a result, Congress assumed the power to regulate the commercial aspects of slavery."