3.07% is the change from 522 to 538
Calculation steps:
[( 538 - 522 ) ÷ 522] x 100 = 3.07%
Formula
Percentage change = [(538 - 522) / 522] x 100
Subtract the new number by the original number
538 - 522 = 16
16 ÷ 522 = 0.03065134099616858
0.03065134099616858 x 100 = 3.07%