19.34% is the change from 455 to 543
Calculation steps:
[( 543 - 455 ) ÷ 455] x 100 = 19.34%
Formula
Percentage change = [(543 - 455) / 455] x 100
Subtract the new number by the original number
543 - 455 = 88
88 ÷ 455 = 0.1934065934065934
0.1934065934065934 x 100 = 19.34%