A shopping mall sold 2,653 washing machines last year, an increase of 153 compared to the plan. What percentage was the increase?
某商场去年销售洗衣机2653台，比计划增加153台，增加了百分之几？
<gadget id="calculator">2_653 - 153</gadget>
<output>2_500</output>

<gadget id="calculator">153 / 2_500</gadget>
<output>153/2_500 = around 0.0612</output>

<result>153/2_500 = around 0.0612</result>