-51.36% is the change from 808 to 393
Calculation steps:
[( 393 - 808 ) ÷ 808] x 100 = -51.36%
Formula
Percentage change = [(393 - 808) / 808] x 100
Subtract the new number by the original number
393 - 808 = -415
-415 ÷ 808 = -0.5136138613861386
-0.5136138613861386 x 100 = -51.36%