to alter to a decimal, you honestly divide the precise quantity by way of the backside quantity. Then, to variety to a p.c., flow the decimal factor 2 places to the marvelous. 3/8 : 3 / 8 = .375 is your decimal .375 = 37.5% is your p.c. For a million a million/4, you ought to first commerce it to an incorrect fraction by way of potential of multiplying the 4 by way of the 1st a million including the only interior the numerator, and remarkable that quantity over 4. a million a million/4 = 5/4 5 / 4 = a million.25 is your decimal a million.25 = one hundred twenty five% is your p.c. desire this helps! :)