30.58% is the change from 520 to 679
Calculation steps:
[( 679 - 520 ) ÷ 520] x 100 = 30.58%
Formula
Percentage change = [(679 - 520) / 520] x 100
Subtract the new number by the original number
679 - 520 = 159
159 ÷ 520 = 0.3057692307692308
0.3057692307692308 x 100 = 30.58%