您好，凈收益營運指數(shù)是指經(jīng)營凈收益與全部凈收益的比值。凈收益營運指數(shù)的計算公式為:凈收益營運指數(shù)=經(jīng)營凈收益/凈利潤。題錯了，凈收益營運指數(shù)越小，非經(jīng)營收益所占比重越大，收益質(zhì)量越差。