-50.68% is the change from 803 to 396
Calculation steps:
[( 396 - 803 ) ÷ 803] x 100 = -50.68%
Formula
Percentage change = [(396 - 803) / 803] x 100
Subtract the new number by the original number
396 - 803 = -407
-407 ÷ 803 = -0.5068493150684932
-0.5068493150684932 x 100 = -50.68%