12.5% is the change from 600 to 675
Calculation steps:
[( 675 - 600 ) ÷ 600] x 100 = 12.5%
Formula
Percentage change = [(675 - 600) / 600] x 100
Subtract the new number by the original number
675 - 600 = 75
75 ÷ 600 = 0.125
0.125 x 100 = 12.5%
Example