[tex]\boxed {\boxed {\text {Percentage Change = } \dfrac{\text {Change}}{\text {Original}} \times 100}}[/tex]
[tex]\text {Change} = 25 - 20 = 5[/tex]
[tex]\text {Percentage Change} = \dfrac{5}{20} \times 100 = 25%
[/tex]
[tex]\boxed {\boxed {\text{Answer : Percentage Change = 25\% }}}[/tex]