-45.52% is the change from 826 to 450
Calculation steps:
[( 450 - 826 ) ÷ 826] x 100 = -45.52%
Formula
Percentage change = [(450 - 826) / 826] x 100
Subtract the new number by the original number
450 - 826 = -376
-376 ÷ 826 = -0.4552058111380145
-0.4552058111380145 x 100 = -45.52%