The turnover of the bookstore in the first quarter was 150,000 yuan, and the turnover in the second quarter was 165,000 yuan. By what percentage did the turnover increase in the second quarter compared to the first quarter?
书店第一季度的营业额为15万元，第二季度的营业额为16.5万元．第二季度比第一季度的营业额增长百分之多少？
<gadget id="calculator">16.5 - 15</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 / 15</gadget>
<output>0.1</output>

<result>0.1</result>