-30.19% is the change from 954 to 666
Calculation steps:
[( 666 - 954 ) ÷ 954] x 100 = -30.19%
Formula
Percentage change = [(666 - 954) / 954] x 100
Subtract the new number by the original number
666 - 954 = -288
-288 ÷ 954 = -0.3018867924528302
-0.3018867924528302 x 100 = -30.19%