7. The table below displays the percent of Japan's population in each age group over the last 40 years. 1980 Japan Percent of population under age 15 (n) 17.09% Percent of population over age 65 (a) Calculate the absolute change in the percent of the population that is under the age of 15 between 1980 and 2020. Round your result to two decimal places. (3) 2020 12.45% 8.91% (0) 22.33% (b) Calculate the relative change in the percent of the population that is under the age of 15 between 1980 and 2020. Round your result to one decimal place. (4) (c) Calculate the absolute change in the percent of the population that is over the age of 65 between 1980 and 2020. Round your result to two decimal places. (3) (d) Calculate the relative change in the percent of the population that is over the age of 65 between 1980 and 2020. Round your result to one decimal place. (4)