29.35% is the change from 402 to 520
Calculation steps:
[( 520 - 402 ) ÷ 402] x 100 = 29.35%
Formula
Percentage change = [(520 - 402) / 402] x 100
Subtract the new number by the original number
520 - 402 = 118
118 ÷ 402 = 0.2935323383084577
0.2935323383084577 x 100 = 29.35%