A certain factory produced 550 TV sets in April, which was 50 more than the original plan. What percentage was actually more than the original plan?
某厂四月份生产电视机550台，比原计划多生产了50台，实际比原计划多生产了百分之几？
<gadget id="calculator">550 - 50</gadget>
<output>500</output>

<gadget id="calculator">50 / 500</gadget>
<output>1/10 = around 0.1</output>

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