A motorcycle manufacturer planned to produce 12,500 motorcycles a year. As a result, it produced 5,500 motorcycles in the first half of the year and 8,000 motorcycles in the second half of the year. What percentage was actually more than planned?
一摩托车制造厂计划一年生产摩托车12500辆，结果上半年生产了5500辆，下半年生产了8000辆，实际比计划多生产了百分之几？
<gadget id="calculator">8_000 - 12_500</gadget>
<output>-4_500</output>

<gadget id="calculator">5_500 + (-4_500)</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 12_500</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>