Sisters homework help 3?

[Rikku]

My sister wants me to check her work on these math problems. Only problem is I have no idea how..

Directions..Two measurements are given. Find the absolute difference and then find the relative difference as a percentage. Assume that the first quantity is the compared value and the second quantity is the reference value. Round answers to the nearest tenth if necessary.
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Q. In Jose's hometown, there are 221,000 people whose first language is english and 81,000 whose first language is spanish .
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Q. The weight of the child is 6 kilos while the weight of her father is 91.2 kilos.
91.2 kilos is what percent of 6 kilos?
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Directions.. Measurements are made at two different times. Find the absolute change and then find the relative change as a percentage. Round answers to the nearest tenth if necessary.
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Q. Two years ago I earned $80,000. Last year I earned $59,000.
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