A machinery factory produced 2,000 parts in the first quarter, 250 more than planned, by what percentage? What is the correct column
某机械厂第一季度生产零件2000个，超过计划250个，超产百分之几？正确列式为多少
<gadget id="calculator">2_000 - 250</gadget>
<output>1_750</output>

<gadget id="calculator">250 / 1_750</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>