Guangming Shoes Factory actually produced 27,500 pairs of shoes in July, which was 2,500 pairs more than the original plan. What percentage was the increase? How many
光明鞋厂七月份实际生产鞋27500双，比原计划多生产了2500双，增产了百分之几？多少
<gadget id="calculator">27_500 - 2_500</gadget>
<output>25_000</output>

<gadget id="calculator">2_500 / 25_000</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>