34.86% is the change from 393 to 530
Calculation steps:
[( 530 - 393 ) ÷ 393] x 100 = 34.86%
Formula
Percentage change = [(530 - 393) / 393] x 100
Subtract the new number by the original number
530 - 393 = 137
137 ÷ 393 = 0.3486005089058524
0.3486005089058524 x 100 = 34.86%