Answer:
[tex]90.9[/tex]%
Step-by-step explanation:
First, note that [tex]63/33=21/11= 1~10/11[/tex].
Recall that [tex]1/11=0.090909090909...[/tex]. This means that [tex]10/11=1-1/11=1-0.0909090909...=0.909090909090...[/tex]
This means that the percentage increase was [tex]90.9[/tex]%
