To get the percentage of 6.88 Multiply 6.88 by 100. 6.88 x 100 = 688% Six hundred eighty eight percent. Examples: To convert from a fraction to a percent,You just need to divide the fractions then multiply the product by 100. :1. What is 3/4 in percent?a. 3/4 = 0.75 x 100 = 75%b. 45/98 = 0.46 x 100 = 46&c. 60/100 = 0.6 x 100 = 60%d. 1/5 = 0.2 x 100 = 20&e. 6/99 = 0.06 x 100 = 6%