46.15% is the change from 455 to 665
Calculation steps:
[( 665 - 455 ) ÷ 455] x 100 = 46.15%
Formula
Percentage change = [(665 - 455) / 455] x 100
Subtract the new number by the original number
665 - 455 = 210
210 ÷ 455 = 0.46153846153846156
0.46153846153846156 x 100 = 46.15%