-81.97% is the change from 904 to 163
Calculation steps:
[( 163 - 904 ) ÷ 904] x 100 = -81.97%
Formula
Percentage change = [(163 - 904) / 904] x 100
Subtract the new number by the original number
163 - 904 = -741
-741 ÷ 904 = -0.8196902654867256
-0.8196902654867256 x 100 = -81.97%