What is the percent increase for the population for all six inhabited continents?

Question

What is the percent increase in the population for all six inhabited continents, excluding Asia, from 1950 to 2000?

Population in 1950 total is 965,000,000

Population in 2000 total is 2,251,000,000

Answer 1

100(2,251 x 10^6 - 965 x 10^6) / (965 x 10^6) = 133.26%