45.78% is the change from 391 to 570
Calculation steps:
[( 570 - 391 ) ÷ 391] x 100 = 45.78%
Formula
Percentage change = [(570 - 391) / 391] x 100
Subtract the new number by the original number
570 - 391 = 179
179 ÷ 391 = 0.4578005115089514
0.4578005115089514 x 100 = 45.78%