-26.66% is the change from 904 to 663
Calculation steps:
[( 663 - 904 ) ÷ 904] x 100 = -26.66%
Formula
Percentage change = [(663 - 904) / 904] x 100
Subtract the new number by the original number
663 - 904 = -241
-241 ÷ 904 = -0.2665929203539823
-0.2665929203539823 x 100 = -26.66%