Answer :
Let's begin by listing out the information given to us:
[tex]\begin{gathered} \text{\%}\Delta=\frac{88-80}{88}\cdot100\text{ \%} \\ \text{\%}\Delta=\frac{8}{88}\cdot100\text{ \%} \\ \text{\%}\Delta=9.09\text{ \%} \end{gathered}[/tex]
Let's begin by listing out the information given to us:
[tex]\begin{gathered} \text{\%}\Delta=\frac{88-80}{88}\cdot100\text{ \%} \\ \text{\%}\Delta=\frac{8}{88}\cdot100\text{ \%} \\ \text{\%}\Delta=9.09\text{ \%} \end{gathered}[/tex]