-23.94% is the change from 827 to 629
Calculation steps:
[( 629 - 827 ) ÷ 827] x 100 = -23.94%
Formula
Percentage change = [(629 - 827) / 827] x 100
Subtract the new number by the original number
629 - 827 = -198
-198 ÷ 827 = -0.23941958887545345
-0.23941958887545345 x 100 = -23.94%