18.98% is the change from 453 to 539
Calculation steps:
[( 539 - 453 ) ÷ 453] x 100 = 18.98%
Formula
Percentage change = [(539 - 453) / 453] x 100
Subtract the new number by the original number
539 - 453 = 86
86 ÷ 453 = 0.18984547461368653
0.18984547461368653 x 100 = 18.98%