6.14% is the change from 521 to 553
Calculation steps:
[( 553 - 521 ) ÷ 521] x 100 = 6.14%
Formula
Percentage change = [(553 - 521) / 521] x 100
Subtract the new number by the original number
553 - 521 = 32
32 ÷ 521 = 0.061420345489443376
0.061420345489443376 x 100 = 6.14%