18 is 90% of 20. To get the percentage, we can use the formula:
Percentage = (Part / Whole) * 100
In this case, the part is 18 and the whole is 20. So, the percentage is:
Percentage = (18 / 20) * 100
Percentage = 0.9 * 100
Percentage = 90
Find the percent of a number with the help of online percent of a number calculator. Compute percentage in simple steps by putting values in the percentage formula.