The output value of a factory in July was 1 million yuan, which was 250,000 yuan less than that in June. How much was the decrease?
某厂7月份产值100万元，比6月份减少了25万元，减少了多少
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">25 / 125</gadget>
<output>1/5 = around 0.2</output>

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