Why are there more right-handed people than left-handled people?

Do you know ?
11% of people are left handed
I have always been curious as to why there are more right-handed people than left-handed people. In addition, I am curious as to whether the results are caused by genetics, experience, or a combination of both. According to Live Science , approximately 90 percent of people are right-handed while only 10 percent of people are left-handed. But what is the reasoning behind this? I decided to research why there are more right-handed people than left-handed people to understand the phenomenon...