How do I calculate percentage of number?

How do I calculate percentage of number?

How Do we Calculate Percentage? Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. The formula used to calculate percentage is: (value/total value)×100%.

How do you work out 20% on a calculator?

In other words, multiply by 100 percent minus the percentage you want to subtract, in decimal form. To subtract 20 percent, multiply by 80 percent (0.8). To subtract 30 percent, multiply the number by 70 percent (0.7).

What is 15% out of 200?

15 percent of 200 is 30.