56.89% is the change from 450 to 706
Calculation steps:
[( 706 - 450 ) ÷ 450] x 100 = 56.89%
Formula
Percentage change = [(706 - 450) / 450] x 100
Subtract the new number by the original number
706 - 450 = 256
256 ÷ 450 = 0.5688888888888889
0.5688888888888889 x 100 = 56.89%