13.82% is the change from 521 to 593
Calculation steps:
[( 593 - 521 ) ÷ 521] x 100 = 13.82%
Formula
Percentage change = [(593 - 521) / 521] x 100
Subtract the new number by the original number
593 - 521 = 72
72 ÷ 521 = 0.1381957773512476
0.1381957773512476 x 100 = 13.82%