The below step by step work shows how to find what is 25 percent of 30. In the calculation, 25 is the relative quantity for each 100 against the base quantity 30. Some of the usage scenarios of 25% of 30 involves calculating commodity price increase or decrease, discount price, rate of change, speed increase or decrease, pressure increase or decrease, amount of ingredients, amount of liquid, amount of investment, profit sharing, weight increase or decrease etc.

Solved Example:
What is 25 percent of 30?

step 1 Observe the input parameters, values and what to be found.
Input values:
Relative Percentage = 25
Base Quantity = 30

What to be found:
25/100 x 30 = ?

step 2 Write the percentage equation and apply the corresponding values:
Quantity = (Relative Percentage / 100) x Base Quantity,
= 25/100 x 30

step 3 Simplify the above equation:
= 25/100 x 30,
= 1/4 x 30
= 7.5
25/100 x 30 = 7.5

Hence,
7.5 is 25 percent of 30.