Multiply your present (old) salary by 1.10 .
Presumably the increase is not in recognition of
your performance as a math teacher.
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To calculate a five percent increase, multiply the value by 1.05. For example, adding 5 perccent to £10.00 gives 10 x 1.05 = £10.50.
Tina's pay increase was 9.828% (10% to nearest percent).
(New salary - old salary)/(old salary) * 100 = percent change For example, if salary changes from 100,000 to 110,000, the percentage change is (110,000 - 100,000)/(100,000) * 100 = 10%
first calculate the value of increase e.g. if 100 increases to 110 then the increase is 10. Then you calculate the percentage increase by diving the increase by the original number then multiply by 100 i.e. (10 divided 100 = 0.1, multiplied by 100 = 10%) or (10/100)*100 same for % decrease but in reverse.
The percent of increase is 40%