2.87% is the change from 523 to 538
Calculation steps:
[( 538 - 523 ) ÷ 523] x 100 = 2.87%
Formula
Percentage change = [(538 - 523) / 523] x 100
Subtract the new number by the original number
538 - 523 = 15
15 ÷ 523 = 0.028680688336520075
0.028680688336520075 x 100 = 2.87%