MARKET MATH
Percentage Change
Measures proportional change from a starting value.
Formula
%Δ = (New-Old)/Old ×100
Variables: Old value; new value
What it means
Measures proportional change from a starting value.
Example
A move from 80 to 84 is a 5% increase.
How to interpret it
This concept should be read together with its market convention, measurement horizon and underlying instrument. BondStats presents it as an analytical reference rather than investment advice; instrument documentation and primary market rules remain authoritative.
Related Formulas
BondStats reference content is independently written. Mathematical relationships, abbreviations and market conventions are presented for educational and analytical use.