A school plans to invest 500,000 yuan in building a new comprehensive building, but actually only uses the planned amount (19/25). What percentage is actually saved?
某校新建一幢综合楼，计划投资50万元，实际只用了计划的(19/25)，实际节约了百分之几？
<gadget id="calculator">19 / 25</gadget>
<output>19/25 = around 0.76</output>

<gadget id="calculator">50 * (19/25)</gadget>
<output>38</output>

<gadget id="calculator">50 - 38</gadget>
<output>12</output>

<gadget id="calculator">12 / 50</gadget>
<output>6/25 = around 0.24</output>

<result>6/25 = around 0.24</result>