"total percentages" is grammatically correct and can be used in written English.
For example: After crunching the numbers, we calculated the total percentages of each category.
The total percentages of occurrence were 77%.
The total percentages of bond failure, roughly 6%, were similar in both test and control groups.
Total percentages of minerals composited were approximately 83% to 109% except for sample FZ06 (71.8%).
The total percentages of fiber reinforcement in the SHCCs with PVA and PE were 2.0%and1.5%5%, respectively.
Figure 6 looks at the total percentages of chosen statements of agreement by the participants from both the first and second survey, thus providing overall balance levels.
The total percentages of apoptotic cells were 2.84, 8.74, 12.34 and 33.03% at concentrations of 0, 1.5, 3 and 6 nM, respectively.
PERCENTAGE MEETING STANDARDS -- Total percentage of students scoring at Levels 3 or 4 this year and last.
In a recession it is impossible for businesses to absorb the total percentage of increased taxes".
PERCENTAGE MEETING STANDARDS -- The total percentage of students who scored at Levels 3 or 4 in 2000 and 1999.
Minorities made up 44percentt of all new hires in 1999, pushing the total percentage of minority employees from 22.1percentto22.4percentcent.
But the total percentage hides a harsh reality: 61 of the companies in the FTSE 100 are still falling short of the 25% target.
