35.38% is the change from 520 to 704
Calculation steps:
[( 704 - 520 ) ÷ 520] x 100 = 35.38%
Formula
Percentage change = [(704 - 520) / 520] x 100
Subtract the new number by the original number
704 - 520 = 184
184 ÷ 520 = 0.35384615384615387
0.35384615384615387 x 100 = 35.38%