-26.19% is the change from 905 to 668
Calculation steps:
[( 668 - 905 ) ÷ 905] x 100 = -26.19%
Formula
Percentage change = [(668 - 905) / 905] x 100
Subtract the new number by the original number
668 - 905 = -237
-237 ÷ 905 = -0.261878453038674
-0.261878453038674 x 100 = -26.19%