32.31% is the change from 390 to 516
Calculation steps:
[( 516 - 390 ) ÷ 390] x 100 = 32.31%
Formula
Percentage change = [(516 - 390) / 390] x 100
Subtract the new number by the original number
516 - 390 = 126
126 ÷ 390 = 0.3230769230769231
0.3230769230769231 x 100 = 32.31%