4.37% is the change from 503 to 525
Calculation steps:
[( 525 - 503 ) ÷ 503] x 100 = 4.37%
Formula
Percentage change = [(525 - 503) / 503] x 100
Subtract the new number by the original number
525 - 503 = 22
22 ÷ 503 = 0.0437375745526839
0.0437375745526839 x 100 = 4.37%