19.56% is the change from 455 to 544
Calculation steps:
[( 544 - 455 ) ÷ 455] x 100 = 19.56%
Formula
Percentage change = [(544 - 455) / 455] x 100
Subtract the new number by the original number
544 - 455 = 89
89 ÷ 455 = 0.1956043956043956
0.1956043956043956 x 100 = 19.56%