-48.73% is the change from 827 to 424
Calculation steps:
[( 424 - 827 ) ÷ 827] x 100 = -48.73%
Formula
Percentage change = [(424 - 827) / 827] x 100
Subtract the new number by the original number
424 - 827 = -403
-403 ÷ 827 = -0.4873035066505441
-0.4873035066505441 x 100 = -48.73%