During the "Torch Festival", merchants conduct promotional activities, and the price of a certain brand of washing machine is reduced from 2,000 yuan to 1,100 yuan. How much is the price reduced?
"火把节"期间，商家搞促销活动，某品牌洗衣机的价格从2000元降到1100元，价格降低了百分之几？
<gadget id="calculator">2_000 - 1_100</gadget>
<output>900</output>

<gadget id="calculator">900 / 2_000</gadget>
<output>9/20 = around 0.45</output>

<result>9/20 = around 0.45</result>