-26.62% is the change from 909 to 667
Calculation steps:
[( 667 - 909 ) ÷ 909] x 100 = -26.62%
Formula
Percentage change = [(667 - 909) / 909] x 100
Subtract the new number by the original number
667 - 909 = -242
-242 ÷ 909 = -0.2662266226622662
-0.2662266226622662 x 100 = -26.62%