80.05% is the change from 391 to 704
Calculation steps:
[( 704 - 391 ) ÷ 391] x 100 = 80.05%
Formula
Percentage change = [(704 - 391) / 391] x 100
Subtract the new number by the original number
704 - 391 = 313
313 ÷ 391 = 0.8005115089514067
0.8005115089514067 x 100 = 80.05%