49.23% is the change from 455 to 679
Calculation steps:
[( 679 - 455 ) ÷ 455] x 100 = 49.23%
Formula
Percentage change = [(679 - 455) / 455] x 100
Subtract the new number by the original number
679 - 455 = 224
224 ÷ 455 = 0.49230769230769234
0.49230769230769234 x 100 = 49.23%