41.79% is the change from 390 to 553
Calculation steps:
[( 553 - 390 ) ÷ 390] x 100 = 41.79%
Formula
Percentage change = [(553 - 390) / 390] x 100
Subtract the new number by the original number
553 - 390 = 163
163 ÷ 390 = 0.41794871794871796
0.41794871794871796 x 100 = 41.79%