14.76% is the change from 454 to 521
Calculation steps:
[( 521 - 454 ) ÷ 454] x 100 = 14.76%
Formula
Percentage change = [(521 - 454) / 454] x 100
Subtract the new number by the original number
521 - 454 = 67
67 ÷ 454 = 0.14757709251101322
0.14757709251101322 x 100 = 14.76%