The sales volume of a store in the first quarter is 100,000 yuan, and the sales volume in the second quarter is 153,000 yuan. By what percentage did sales in the second quarter increase over the first quarter?
某商店第一季度的销售额为10万元，第二季度的销售额是15.3万元．第二季度的销售额比第一季度增长了百分之几？
<gadget id="calculator">15.3 - 10</gadget>
<output>5.3</output>

<gadget id="calculator">5.3 / 10</gadget>
<output>0.53</output>

<result>0.53</result>