The current price of a product is 35 yuan, which is 5 yuan lower than the original price. What is the correct formula for finding the price reduction by a few percent?
一件商品现价35元，比原价降了5元，求降价百分之几的正确算式是多少
<gadget id="calculator">35 + 5</gadget>
<output>40</output>

<gadget id="calculator">5 / 40</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>