Answer:
8.64% 
Explanation:
Write it as a decimal 
7/81 = 0.0864 
0.0864 is the decimal representation for 7/81 
 
For Percentage Conversion : 
step 1 To represent 0.0864 in percentage, write 0.0864 as a fraction 
Fraction = 0.0864/1 
 
step 2 multiply 100 to both numerator & denominator 
(0.0864 x 100)/(1 x 100) = 8.64/100 
 
8.64% is the percentage representation for 7/81