37.81% is the change from 521 to 718
Calculation steps:
[( 718 - 521 ) ÷ 521] x 100 = 37.81%
Formula
Percentage change = [(718 - 521) / 521] x 100
Subtract the new number by the original number
718 - 521 = 197
197 ÷ 521 = 0.3781190019193858
0.3781190019193858 x 100 = 37.81%