Question: how do you figure out the percentage of a pay raise?
Answer: First, determine the difference between their old and new salary: $52,000 – $50,000 = $2,000.
Next, divide the raise amount by their old salary: $2,000 / $50,000 = . ... 
To turn the decimal into a percentage, multiply by 100: 100 X . 04 = 4%