In a shopping mall’s National Day promotion, the original price of a sweater is 400 yuan, but the current price is 320 yuan. What percentage of the original price is the current price of this sweater?
某商场国庆促销活动，一件毛衣原价400元，现价320元，这件毛衣现在的价格是原价的百分之几？
<gadget id="calculator">320 / 400</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>