48.21% is the change from 392 to 581
Calculation steps:
[( 581 - 392 ) ÷ 392] x 100 = 48.21%
Formula
Percentage change = [(581 - 392) / 392] x 100
Subtract the new number by the original number
581 - 392 = 189
189 ÷ 392 = 0.48214285714285715
0.48214285714285715 x 100 = 48.21%