54.39% is the change from 456 to 704
Calculation steps:
[( 704 - 456 ) ÷ 456] x 100 = 54.39%
Formula
Percentage change = [(704 - 456) / 456] x 100
Subtract the new number by the original number
704 - 456 = 248
248 ÷ 456 = 0.543859649122807
0.543859649122807 x 100 = 54.39%