-47.74% is the change from 861 to 450
Calculation steps:
[( 450 - 861 ) ÷ 861] x 100 = -47.74%
Formula
Percentage change = [(450 - 861) / 861] x 100
Subtract the new number by the original number
450 - 861 = -411
-411 ÷ 861 = -0.47735191637630664
-0.47735191637630664 x 100 = -47.74%