9.45% is the change from 603 to 660
Calculation steps:
[( 660 - 603 ) ÷ 603] x 100 = 9.45%
Formula
Percentage change = [(660 - 603) / 603] x 100
Subtract the new number by the original number
660 - 603 = 57
57 ÷ 603 = 0.0945273631840796
0.0945273631840796 x 100 = 9.45%