30.54% is the change from 442 to 577
Calculation steps:
[( 577 - 442 ) ÷ 442] x 100 = 30.54%
Formula
Percentage change = [(577 - 442) / 442] x 100
Subtract the new number by the original number
577 - 442 = 135
135 ÷ 442 = 0.3054298642533937
0.3054298642533937 x 100 = 30.54%