10.45% is the change from 603 to 666
Calculation steps:
[( 666 - 603 ) ÷ 603] x 100 = 10.45%
Formula
Percentage change = [(666 - 603) / 603] x 100
Subtract the new number by the original number
666 - 603 = 63
63 ÷ 603 = 0.1044776119402985
0.1044776119402985 x 100 = 10.45%