38.9% is the change from 581 to 807
Calculation steps:
[( 807 - 581 ) ÷ 581] x 100 = 38.9%
Formula
Percentage change = [(807 - 581) / 581] x 100
Subtract the new number by the original number
807 - 581 = 226
226 ÷ 581 = 0.3889845094664372
0.3889845094664372 x 100 = 38.9%