48.34% is the change from 391 to 580
Calculation steps:
[( 580 - 391 ) ÷ 391] x 100 = 48.34%
Formula
Percentage change = [(580 - 391) / 391] x 100
Subtract the new number by the original number
580 - 391 = 189
189 ÷ 391 = 0.4833759590792839
0.4833759590792839 x 100 = 48.34%