4.41% is the change from 521 to 544
Calculation steps:
[( 544 - 521 ) ÷ 521] x 100 = 4.41%
Formula
Percentage change = [(544 - 521) / 521] x 100
Subtract the new number by the original number
544 - 521 = 23
23 ÷ 521 = 0.044145873320537425
0.044145873320537425 x 100 = 4.41%