A township enterprise completed (7/12) of the annual output value plan in the first half of last year, and completed (5/8) of the annual output value plan in the second half of the year. By what percentage did the enterprise's output value exceed the annual output value plan last year?
某乡镇企业，去年上半年完成了全年产值计划的(7/12)，下半年完成了全年产值计划的(5/8)，去年企业的产值超过全年产值计划的几分之几？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) - 1</gadget>
<output>-3/8 = around -0.375</output>

<gadget id="calculator">(7/12) + (-3/8)</gadget>
<output>5/24 = around 0.208333</output>

<result>5/24 = around 0.208333</result>