A forest farm planned to afforest 2,000 hectares last year, but the actual afforestation was 2,400 hectares. What percentage was the actual increase compared to the plan?
某林场去年计划造林2000公顷，实际造林2400公顷，实际比计划增加了百分之几？
<gadget id="calculator">2_400 - 2_000</gadget>
<output>400</output>

<gadget id="calculator">400 / 2_000</gadget>
<output>1/5 = around 0.2</output>

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