1.79% is the change from 504 to 513
Calculation steps:
[( 513 - 504 ) ÷ 504] x 100 = 1.79%
Formula
Percentage change = [(513 - 504) / 504] x 100
Subtract the new number by the original number
513 - 504 = 9
9 ÷ 504 = 0.017857142857142856
0.017857142857142856 x 100 = 1.79%