19.21% is the change from 453 to 540
Calculation steps:
[( 540 - 453 ) ÷ 453] x 100 = 19.21%
Formula
Percentage change = [(540 - 453) / 453] x 100
Subtract the new number by the original number
540 - 453 = 87
87 ÷ 453 = 0.19205298013245034
0.19205298013245034 x 100 = 19.21%