13.76% is the change from 458 to 521
Calculation steps:
[( 521 - 458 ) ÷ 458] x 100 = 13.76%
Formula
Percentage change = [(521 - 458) / 458] x 100
Subtract the new number by the original number
521 - 458 = 63
63 ÷ 458 = 0.13755458515283842
0.13755458515283842 x 100 = 13.76%