Amans hourly wage increased from 12.50 to 13.50. what percent raise did he get

The man got a 8% raise.

Step-by-step explanation:

Percentage change        = [Increase or decrease in value / Original Value]*100

Increase in hourly wage =

                                         =

Percentage raise             = [Increase in hourly wage / Initial hourly wage]*100

                                         =

                                         = %

The man got a 8% raise.

but which class are u may know that first