Step by step:
To find the percentage increase you must find the difference between both numbers,
[tex]148000 - 133000 = 15000[/tex]
Then divide 15,000 by the original number
[tex]15000 \div 148000 = 0.101[/tex]
After just multiply 0.101 by 100
[tex]0.101 \times 100 = 10.1\%[/tex]
Hope this helped
:D