The actual number of days is 8% less than the plan, which means that the actual number of days is equal to the number of planned days.
实际做的天数比计划少8%，表示实际的天数相当于计划天数的多少．
<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">1 - (2/25)</gadget>
<output>23/25 = around 0.92</output>

<result>23/25 = around 0.92</result>