30.56% is the change from 445 to 581
Calculation steps:
[( 581 - 445 ) ÷ 445] x 100 = 30.56%
Formula
Percentage change = [(581 - 445) / 445] x 100
Subtract the new number by the original number
581 - 445 = 136
136 ÷ 445 = 0.3056179775280899
0.3056179775280899 x 100 = 30.56%