-25.92% is the change from 899 to 666
Calculation steps:
[( 666 - 899 ) ÷ 899] x 100 = -25.92%
Formula
Percentage change = [(666 - 899) / 899] x 100
Subtract the new number by the original number
666 - 899 = -233
-233 ÷ 899 = -0.25917686318131256
-0.25917686318131256 x 100 = -25.92%