Jingyuan County plans to afforest 1,000 mu this year, but the actual afforestation is 1,200 mu. What percentage has the actual afforestation increased compared to the plan?
泾源县今年计划造林1000亩，实际造林1200亩，实际造林比计划增加了百分之几？
<gadget id="calculator">1_200 - 1_000</gadget>
<output>200</output>

<gadget id="calculator">200 / 1_000</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>