-26.33% is the change from 904 to 666
Calculation steps:
[( 666 - 904 ) ÷ 904] x 100 = -26.33%
Formula
Percentage change = [(666 - 904) / 904] x 100
Subtract the new number by the original number
666 - 904 = -238
-238 ÷ 904 = -0.26327433628318586
-0.26327433628318586 x 100 = -26.33%