14.78% is the change from 521 to 598
Calculation steps:
[( 598 - 521 ) ÷ 521] x 100 = 14.78%
Formula
Percentage change = [(598 - 521) / 521] x 100
Subtract the new number by the original number
598 - 521 = 77
77 ÷ 521 = 0.14779270633397312
0.14779270633397312 x 100 = 14.78%