19.12% is the change from 455 to 542
Calculation steps:
[( 542 - 455 ) ÷ 455] x 100 = 19.12%
Formula
Percentage change = [(542 - 455) / 455] x 100
Subtract the new number by the original number
542 - 455 = 87
87 ÷ 455 = 0.1912087912087912
0.1912087912087912 x 100 = 19.12%