Explanation:
198 girls/ 360 children
198/360 = 0.55, or 55% are girls
100 - 55 = 45
45% are boys
360 - 198 = 162
There are 162 boys
There are 198 girls, and 162 boys
198/162 = 1.22, or 122%, or 22% more girls than boys
162/198 = 0.81, or 81%, or 81% less boys than girls
hope this helps