-54.98% is the change from 873 to 393
Calculation steps:
[( 393 - 873 ) ÷ 873] x 100 = -54.98%
Formula
Percentage change = [(393 - 873) / 873] x 100
Subtract the new number by the original number
393 - 873 = -480
-480 ÷ 873 = -0.5498281786941581
-0.5498281786941581 x 100 = -54.98%