-52.12% is the change from 827 to 396
Calculation steps:
[( 396 - 827 ) ÷ 827] x 100 = -52.12%
Formula
Percentage change = [(396 - 827) / 827] x 100
Subtract the new number by the original number
396 - 827 = -431
-431 ÷ 827 = -0.5211608222490931
-0.5211608222490931 x 100 = -52.12%