-48.85% is the change from 827 to 423
Calculation steps:
[( 423 - 827 ) ÷ 827] x 100 = -48.85%
Formula
Percentage change = [(423 - 827) / 827] x 100
Subtract the new number by the original number
423 - 827 = -404
-404 ÷ 827 = -0.48851269649334944
-0.48851269649334944 x 100 = -48.85%