2.98% is the change from 504 to 519
Calculation steps:
[( 519 - 504 ) ÷ 504] x 100 = 2.98%
Formula
Percentage change = [(519 - 504) / 504] x 100
Subtract the new number by the original number
519 - 504 = 15
15 ÷ 504 = 0.02976190476190476
0.02976190476190476 x 100 = 2.98%