67.52% is the change from 391 to 655
Calculation steps:
[( 655 - 391 ) ÷ 391] x 100 = 67.52%
Formula
Percentage change = [(655 - 391) / 391] x 100
Subtract the new number by the original number
655 - 391 = 264
264 ÷ 391 = 0.6751918158567775
0.6751918158567775 x 100 = 67.52%