29.62% is the change from 520 to 674
Calculation steps:
[( 674 - 520 ) ÷ 520] x 100 = 29.62%
Formula
Percentage change = [(674 - 520) / 520] x 100
Subtract the new number by the original number
674 - 520 = 154
154 ÷ 520 = 0.29615384615384616
0.29615384615384616 x 100 = 29.62%