For this case we can raise a rule of three:
$ 58 ----------> 100%
$ 63 ----------> x
Where "x" represents the percentage equivalent to $ 63.
[tex]x = \frac {63 * 100} {58}\\x = \frac {6300} {58}\\x = 108.62[/tex]
Thus, the percentage increase is 8.62%
Answer:
The percentage of increase is 8.62%