The value of 2.98% is calculated from:
545900 divided by 774000 + 533200 + 1339900 + 1178600 + 870800 + 854600 + 553200 + 573900 + 605200 + 1490000 + 725900 + 669400 + 635000 + 658900 + 795100 + 1156600 + 754400 + 1418900 + 1143700 + 734900 + 825300 multiplied by 100.
"1 - Total resident population (rounded)" divided by "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" + "1 - Total resident population (rounded)" multiplied by 100.