*percent to fraction
Remove the percent sign (%), then use it as the numerator and 100 as the denominator.
for example, 40%= 40/100
*Percent to decimal
Remove the percent sign, then move the decimal point two places to the left.
40% = 0.40
*Decimal to percent
Divide the decimal by 100.Or you can just move the decimal point to the right. (reverse process on the one above.
Example: 0.20 = 20%