18.21% is the change from 390 to 461
Calculation steps:
[( 461 - 390 ) ÷ 390] x 100 = 18.21%
Formula
Percentage change = [(461 - 390) / 390] x 100
Subtract the new number by the original number
461 - 390 = 71
71 ÷ 390 = 0.18205128205128204
0.18205128205128204 x 100 = 18.21%