58.46% is the change from 390 to 618
Calculation steps:
[( 618 - 390 ) ÷ 390] x 100 = 58.46%
Formula
Percentage change = [(618 - 390) / 390] x 100
Subtract the new number by the original number
618 - 390 = 228
228 ÷ 390 = 0.5846153846153846
0.5846153846153846 x 100 = 58.46%