52.69% is the change from 391 to 597
Calculation steps:
[( 597 - 391 ) ÷ 391] x 100 = 52.69%
Formula
Percentage change = [(597 - 391) / 391] x 100
Subtract the new number by the original number
597 - 391 = 206
206 ÷ 391 = 0.5268542199488491
0.5268542199488491 x 100 = 52.69%