27.31% is the change from 520 to 662
Calculation steps:
[( 662 - 520 ) ÷ 520] x 100 = 27.31%
Formula
Percentage change = [(662 - 520) / 520] x 100
Subtract the new number by the original number
662 - 520 = 142
142 ÷ 520 = 0.27307692307692305
0.27307692307692305 x 100 = 27.31%