The retention rate is equal to ______. Group of answer choices the number of employees at the beginning of the period divided by the number of employees who stayed during the entire period multiplied by 100 the number of employees who left during the entire period multiplied by the number of employees at the beginning of the period divided by 100 the number of employees at the beginning of the period multiplied by the number of employees who stayed during the entire period divided by 100 the number of employees who stayed during the entire period divided by the number of employees at the beginning of the period multiplied by 100