14.04% is the change from 456 to 520
Calculation steps:
[( 520 - 456 ) ÷ 456] x 100 = 14.04%
Formula
Percentage change = [(520 - 456) / 456] x 100
Subtract the new number by the original number
520 - 456 = 64
64 ÷ 456 = 0.14035087719298245
0.14035087719298245 x 100 = 14.04%