34.93% is the change from 521 to 703
Calculation steps:
[( 703 - 521 ) ÷ 521] x 100 = 34.93%
Formula
Percentage change = [(703 - 521) / 521] x 100
Subtract the new number by the original number
703 - 521 = 182
182 ÷ 521 = 0.3493282149712092
0.3493282149712092 x 100 = 34.93%