-26.52% is the change from 905 to 665
Calculation steps:
[( 665 - 905 ) ÷ 905] x 100 = -26.52%
Formula
Percentage change = [(665 - 905) / 905] x 100
Subtract the new number by the original number
665 - 905 = -240
-240 ÷ 905 = -0.26519337016574585
-0.26519337016574585 x 100 = -26.52%