Hongyun Garment Factory produced 20,000 pieces of clothing in May, 4,000 more than the original plan. What percentage of the original plan was actually completed?
红云制衣厂五月份生产服装20000件，比原计划多生产了4000件．实际完成了原计划的百分之几？
<gadget id="calculator">20_000 - 4_000</gadget>
<output>16_000</output>

<gadget id="calculator">4_000 / 16_000</gadget>
<output>1/4 = around 0.25</output>

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