” How will the 75% driving distance be determined as it is in distance?”

Where there was a number, say, SG drive round 1, SG drive round 2, … replace by 75-pct drive dis round 1, 75-pct drive dis round 2, …

” And the driving distance is calculated by selecting driving distance based on:”

This is already calculated in the ‘standard statistics report’ so that same number should be used. No need to recalculate it.