Percentage Calculator (percentage.gen.im) is a free online tool to calculate percentages.
Calculate the percentage of a value
For to calculate 20% of 80 write first box 20, second box 80.
Example: If 10% students successful in the of 90 students, you must write first box 10, second box 90 to calculate how many students are successful.
90 x 10 / 100 = 9
Calculate the percentage of a value.What is % of ? =
How to calculate what percentage a number of another number
Write to first box 20, second box 80 to calculate what percentage 20 of 80.
18 x 100 / 90 = 20
How to calculate what percentage a number is of another numberis what percent of ? = %
Calculate the percentage of the changed value
Write to first box, 20 second box 40 to calculate the percentage of the changed value.
(90-60) / 60 x 100 = 50
What is the percentage increase/decreasefrom to ? = %
To increase or decrease a specific percentage.
Write to first box 10, third box 80 than select second box (increase/decrease) to calculate increase or decrease 10 percantage of 80.
70 + (70 x 10 / 100) = 77
70 - (70 x 10 / 100) = 63
To increase or decrease a specific percentage.% of ? =