Here’s the formula, steps, and examples to calculate percentage:
Formula
Percentage = (Part/Whole) × 100
Steps to Calculate Percentage
1. Identify the part and the whole.
2. Divide the part by the whole.
3. Multiply the result by 100.
Examples
Example 1: Finding Percentage
What percentage of 250 is 125?
Solution:
Percentage = (125/250) × 100
= 0.5 × 100
= 50%
Example 2: Finding Percentage Increase
A shirt costs $80. Its price increases by $20. What is the percentage increase?
Solution:
Percentage increase = ($20/$80) × 100
= 0.25 × 100
= 25%
Example 3: Finding Percentage Decrease
A phone costs $200. Its price decreases by $50. What is the percentage decrease?
Solution:
Percentage decrease = ($50/$200) × 100
= 0.25 × 100
= 25%