47.21% is the change from 394 to 580
Calculation steps:
[( 580 - 394 ) ÷ 394] x 100 = 47.21%
Formula
Percentage change = [(580 - 394) / 394] x 100
Subtract the new number by the original number
580 - 394 = 186
186 ÷ 394 = 0.4720812182741117
0.4720812182741117 x 100 = 47.21%