Reasoning
Percentage Change Shortcut
Calculate the relative change between two values.
Percentage Change = (New - Original) / Original × 100
Formula Explanation
A positive result represents an increase and a negative result represents a decrease.
Variables Explained
New = Final value; Original = Initial value.
Solved Example
A value rises from 80 to 100. Find the percentage change.
((100 - 80)/80) × 100 = 25% increase.