:a percentage is a fractional value expressed as the number of to convert a percentage into a fraction divide by to convert a fraction to a by 100. for example, 50% is the fraction can be simplified to 1/2. for example, 3/4 expressed as a percentage is 300/4% which when simplified is when a fraction is represented by a decimal, changing it to a percentage is even easier, we simply have to multiply by 100 which moves the decimal point two places. for example, 0.33 as a percentage is 0.255 as a percentage is changing a percentage to a decimal means dividing by a hundred which moves the decimal point two places the other way. for example, 89% expressed as a decimal is .. and 75.2% expressed as a decimal is 0.752.