1987 AMC 8 Question 23

Assume the adjoining chart shows the $1980$ U.S. population, in millions, for each region by ethnic group. To the nearest percent, what percent of the U.S. Black population lived in the South?

NE MW South West White $42$ $52$ $57$ $35$ Black $5$ $5$ $15$ $2$ Asian $1$ $1$ $1$ $3$ Other $1$ $1$ $2$ $4$