32.25% is the change from 521 to 689
Calculation steps:
[( 689 - 521 ) ÷ 521] x 100 = 32.25%
Formula
Percentage change = [(689 - 521) / 521] x 100
Subtract the new number by the original number
689 - 521 = 168
168 ÷ 521 = 0.32245681381957775
0.32245681381957775 x 100 = 32.25%