-54.21% is the change from 867 to 397
Calculation steps:
[( 397 - 867 ) ÷ 867] x 100 = -54.21%
Formula
Percentage change = [(397 - 867) / 867] x 100
Subtract the new number by the original number
397 - 867 = -470
-470 ÷ 867 = -0.5420991926182238
-0.5420991926182238 x 100 = -54.21%