13.85% is the change from 455 to 518
Calculation steps:
[( 518 - 455 ) ÷ 455] x 100 = 13.85%
Formula
Percentage change = [(518 - 455) / 455] x 100
Subtract the new number by the original number
518 - 455 = 63
63 ÷ 455 = 0.13846153846153847
0.13846153846153847 x 100 = 13.85%