47.31% is the change from 391 to 576
Calculation steps:
[( 576 - 391 ) ÷ 391] x 100 = 47.31%
Formula
Percentage change = [(576 - 391) / 391] x 100
Subtract the new number by the original number
576 - 391 = 185
185 ÷ 391 = 0.4731457800511509
0.4731457800511509 x 100 = 47.31%