30.46% is the change from 453 to 591
Calculation steps:
[( 591 - 453 ) ÷ 453] x 100 = 30.46%
Formula
Percentage change = [(591 - 453) / 453] x 100
Subtract the new number by the original number
591 - 453 = 138
138 ÷ 453 = 0.304635761589404
0.304635761589404 x 100 = 30.46%