-26.9% is the change from 907 to 663
Calculation steps:
[( 663 - 907 ) ÷ 907] x 100 = -26.9%
Formula
Percentage change = [(663 - 907) / 907] x 100
Subtract the new number by the original number
663 - 907 = -244
-244 ÷ 907 = -0.269018743109151
-0.269018743109151 x 100 = -26.9%