Percentage Calculator
Multi-mode percentage calculator with step-by-step solutions
What is
%
of
?
is what % of
?
%
Calculation Result
Result
30
20% of 150 = 30
Step-by-Step Solution:
Step 1: Convert 20% to decimal = 20 / 100 = 0.20
Step 2: Multiply by number = 0.20 × 150 = 30
Step 2: Multiply by number = 0.20 × 150 = 30
Frequently Asked Questions
Multiply the number by the percentage rate, then divide by 100. Formula:
Result = (Number × Percentage) ÷ 100. For example, 20% of 150 = (150 × 20) / 100 = 30.
Subtract the original value from the new value, divide by the original value, and multiply by 100. Formula:
% Change = ((New Value - Original Value) / Original Value) × 100.
Percentage change compares a new value to a baseline starting value (has a specific direction). Percentage difference compares two values where neither is the initial reference point by dividing by their average.