29.42% is the change from 520 to 673
Calculation steps:
[( 673 - 520 ) ÷ 520] x 100 = 29.42%
Formula
Percentage change = [(673 - 520) / 520] x 100
Subtract the new number by the original number
673 - 520 = 153
153 ÷ 520 = 0.29423076923076924
0.29423076923076924 x 100 = 29.42%