Guangming Elementary School has 120 people participating in the tree planting activity this year, an increase of 24 people compared to last year. Could you please help to calculate the increase by what percentage?
光明小学今年参加植树活动的有120人，比去年增加了24人，请你帮忙算一算增加了百分之几？
<gadget id="calculator">120 - 24</gadget>
<output>96</output>

<gadget id="calculator">24 / 96</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>