12.66% is the change from 403 to 454
Calculation steps:
[( 454 - 403 ) ÷ 403] x 100 = 12.66%
Formula
Percentage change = [(454 - 403) / 403] x 100
Subtract the new number by the original number
454 - 403 = 51
51 ÷ 403 = 0.12655086848635236
0.12655086848635236 x 100 = 12.66%