A factory had a planned output value of 800,000 yuan last year, and actually increased production by 200,000 yuan. What percentage is the actual increase in production compared with the plan?
某厂去年计划产值80万元，实际增产20万元．实际比计划增产百分之几？
<gadget id="calculator">20 / 80</gadget>
<output>1/4 = around 0.25</output>

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