17.54% is the change from 513 to 603
Calculation steps:
[( 603 - 513 ) ÷ 513] x 100 = 17.54%
Formula
Percentage change = [(603 - 513) / 513] x 100
Subtract the new number by the original number
603 - 513 = 90
90 ÷ 513 = 0.17543859649122806
0.17543859649122806 x 100 = 17.54%