17.65% is the change from 510 to 600
Calculation steps:
[( 600 - 510 ) ÷ 510] x 100 = 17.65%
Formula
Percentage change = [(600 - 510) / 510] x 100
Subtract the new number by the original number
600 - 510 = 90
90 ÷ 510 = 0.17647058823529413
0.17647058823529413 x 100 = 17.65%