34.36% is the change from 521 to 700
Calculation steps:
[( 700 - 521 ) ÷ 521] x 100 = 34.36%
Formula
Percentage change = [(700 - 521) / 521] x 100
Subtract the new number by the original number
700 - 521 = 179
179 ÷ 521 = 0.3435700575815739
0.3435700575815739 x 100 = 34.36%