18.82% is the change from 457 to 543
Calculation steps:
[( 543 - 457 ) ÷ 457] x 100 = 18.82%
Formula
Percentage change = [(543 - 457) / 457] x 100
Subtract the new number by the original number
543 - 457 = 86
86 ÷ 457 = 0.18818380743982493
0.18818380743982493 x 100 = 18.82%