12.47% is the change from 457 to 514
Calculation steps:
[( 514 - 457 ) ÷ 457] x 100 = 12.47%
Formula
Percentage change = [(514 - 457) / 457] x 100
Subtract the new number by the original number
514 - 457 = 57
57 ÷ 457 = 0.12472647702407003
0.12472647702407003 x 100 = 12.47%