How do you write 0.678 as a percent?
Fractions, decimals and percents are all different ways of expressing a value. They mean the same thing and are interchangeable.
A decimal can be written as a fraction with the denominator as a power of 10. In this case 3 decimal places means the denominator is
A percent can be written as a fraction with a denominator of
Another method is
Multiplying by 1 does not change the value, only the form.
The first 2 decimal places represent hundredths, so a decimal can be read directly as a percent: