23.59% is the change from 390 to 482
Calculation steps:
[( 482 - 390 ) ÷ 390] x 100 = 23.59%
Formula
Percentage change = [(482 - 390) / 390] x 100
Subtract the new number by the original number
482 - 390 = 92
92 ÷ 390 = 0.2358974358974359
0.2358974358974359 x 100 = 23.59%