31.45% is the change from 442 to 581
Calculation steps:
[( 581 - 442 ) ÷ 442] x 100 = 31.45%
Formula
Percentage change = [(581 - 442) / 442] x 100
Subtract the new number by the original number
581 - 442 = 139
139 ÷ 442 = 0.31447963800904977
0.31447963800904977 x 100 = 31.45%