There are 40 people in the class, 12 people in the entertainment group, 4 people in the art group, and 24 people in the sports group. How many percent more people participated in the entertainment group than in the art group?
全班40人，参加文娱小组12人、参加美术小组4人、参加体育小组24人．参加文娱小组人数比参加美术小组人数多百分之几？
<gadget id="calculator">12 - 4</gadget>
<output>8</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<result>2</result>