2.47% is the change from 446 to 457
Calculation steps:
[( 457 - 446 ) ÷ 446] x 100 = 2.47%
Formula
Percentage change = [(457 - 446) / 446] x 100
Subtract the new number by the original number
457 - 446 = 11
11 ÷ 446 = 0.02466367713004484
0.02466367713004484 x 100 = 2.47%