49.67% is the change from 455 to 681
Calculation steps:
[( 681 - 455 ) ÷ 455] x 100 = 49.67%
Formula
Percentage change = [(681 - 455) / 455] x 100
Subtract the new number by the original number
681 - 455 = 226
226 ÷ 455 = 0.4967032967032967
0.4967032967032967 x 100 = 49.67%