31.73% is the change from 394 to 519
Calculation steps:
[( 519 - 394 ) ÷ 394] x 100 = 31.73%
Formula
Percentage change = [(519 - 394) / 394] x 100
Subtract the new number by the original number
519 - 394 = 125
125 ÷ 394 = 0.31725888324873097
0.31725888324873097 x 100 = 31.73%