-29.98% is the change from 954 to 668
Calculation steps:
[( 668 - 954 ) ÷ 954] x 100 = -29.98%
Formula
Percentage change = [(668 - 954) / 954] x 100
Subtract the new number by the original number
668 - 954 = -286
-286 ÷ 954 = -0.29979035639413
-0.29979035639413 x 100 = -29.98%