45.61% is the change from 456 to 664
Calculation steps:
[( 664 - 456 ) ÷ 456] x 100 = 45.61%
Formula
Percentage change = [(664 - 456) / 456] x 100
Subtract the new number by the original number
664 - 456 = 208
208 ÷ 456 = 0.45614035087719296
0.45614035087719296 x 100 = 45.61%