45.93% is the change from 455 to 664
Calculation steps:
[( 664 - 455 ) ÷ 455] x 100 = 45.93%
Formula
Percentage change = [(664 - 455) / 455] x 100
Subtract the new number by the original number
664 - 455 = 209
209 ÷ 455 = 0.4593406593406593
0.4593406593406593 x 100 = 45.93%