56.48% is the change from 455 to 712
Calculation steps:
[( 712 - 455 ) ÷ 455] x 100 = 56.48%
Formula
Percentage change = [(712 - 455) / 455] x 100
Subtract the new number by the original number
712 - 455 = 257
257 ÷ 455 = 0.5648351648351648
0.5648351648351648 x 100 = 56.48%