Percentage Calculator

Percentage Calculator

This Percentage Calculator can help you calculate the percentages between two number values. Calculate percentages and unknowns using percent formulas. Solve the equations or add or subtract a percentage from a number.

 

How to calculate Percentage?

First Percentage Calculator: What is percentage (p%) of x?

math_percentage_eq_1

Example: What is 3.63% of 463.26?

 

Step 1: Plug into formula

y = (463.26 * 0.0363) / 100

Step 2: Solve the multiplication in the numerator

y = (16.816338) / 100

Step 3: Solve the division to find y

y = 0.16816338


Second Percentage Calculator: x is what percent of y?

math_percentage_eq_2

Example: 34 is what percent of 943.22?

 

Step 1: Plug into formula

p = (34 * 100) / 943.22

Step 2: Solve the multiplication in the numerator

p = 3400 / 943.22

Step 3: Solve the division to find p and add percent (%) at the end

p = 3.60%


Third Percentage Calculator: x is p% of what?

math_percentage_eq_3

Example: 10 is 40% of what?

 

Step 1: Plug into formula

y = (10 / 40) * 100

Step 2: Solve the division

y = 0.25 * 100

Step 3: Solve the multiplication to find y

y = 25


Fourth Percentage Calculator: What is x increased/decreased by p%?

math_percentage_eq_4

Example 1: What is 15 increased by 50%?

 

Step 1: Plug into formula

If x an increase of p%: p% = (p% / 100) * 100. If x a decrease of p%: p% = -(p% / 100) * 100.

y = 15 * ((100 + 50) / 100)

Step 2: Solve the addition in the numerator of the division

y = 15 * (150 / 100)

Step 3: Solve the division

y = 15 * 1.5

Step 4: Solve the multiplication to find y

y = 22.5

 

Example 2: What is 24.34 decreased by 26.7%?

 

Step 1: Plug into formula

If x an increase of p%: p% = (p% / 100) * 100. If x a decrease of p%: p% = -(p% / 100) * 100.

y = 24.34 * ((100 - 26.7) / 100)

Step 2: Solve the addition in the numerator of the division

y = 24.34 * (73.3 / 100)

Step 3: Solve the division

y = 24.34 * 0.733

Step 4: Solve the multiplication to find y

y = 17.84122

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