-51.93% is the change from 805 to 387
Calculation steps:
[( 387 - 805 ) ÷ 805] x 100 = -51.93%
Formula
Percentage change = [(387 - 805) / 805] x 100
Subtract the new number by the original number
387 - 805 = -418
-418 ÷ 805 = -0.5192546583850932
-0.5192546583850932 x 100 = -51.93%