36.08% is the change from 521 to 709
Calculation steps:
[( 709 - 521 ) ÷ 521] x 100 = 36.08%
Formula
Percentage change = [(709 - 521) / 521] x 100
Subtract the new number by the original number
709 - 521 = 188
188 ÷ 521 = 0.36084452975047987
0.36084452975047987 x 100 = 36.08%