46.41% is the change from 390 to 571
Calculation steps:
[( 571 - 390 ) ÷ 390] x 100 = 46.41%
Formula
Percentage change = [(571 - 390) / 390] x 100
Subtract the new number by the original number
571 - 390 = 181
181 ÷ 390 = 0.4641025641025641
0.4641025641025641 x 100 = 46.41%