-28.48% is the change from 906 to 648
Calculation steps:
[( 648 - 906 ) ÷ 906] x 100 = -28.48%
Formula
Percentage change = [(648 - 906) / 906] x 100
Subtract the new number by the original number
648 - 906 = -258
-258 ÷ 906 = -0.2847682119205298
-0.2847682119205298 x 100 = -28.48%