-26.79% is the change from 907 to 664
Calculation steps:
[( 664 - 907 ) ÷ 907] x 100 = -26.79%
Formula
Percentage change = [(664 - 907) / 907] x 100
Subtract the new number by the original number
664 - 907 = -243
-243 ÷ 907 = -0.2679162072767365
-0.2679162072767365 x 100 = -26.79%