32.44% is the change from 521 to 690
Calculation steps:
[( 690 - 521 ) ÷ 521] x 100 = 32.44%
Formula
Percentage change = [(690 - 521) / 521] x 100
Subtract the new number by the original number
690 - 521 = 169
169 ÷ 521 = 0.32437619961612285
0.32437619961612285 x 100 = 32.44%