33.59% is the change from 521 to 696
Calculation steps:
[( 696 - 521 ) ÷ 521] x 100 = 33.59%
Formula
Percentage change = [(696 - 521) / 521] x 100
Subtract the new number by the original number
696 - 521 = 175
175 ÷ 521 = 0.33589251439539347
0.33589251439539347 x 100 = 33.59%