34.55% is the change from 521 to 701
Calculation steps:
[( 701 - 521 ) ÷ 521] x 100 = 34.55%
Formula
Percentage change = [(701 - 521) / 521] x 100
Subtract the new number by the original number
701 - 521 = 180
180 ÷ 521 = 0.345489443378119
0.345489443378119 x 100 = 34.55%