-27.92% is the change from 924 to 666
Calculation steps:
[( 666 - 924 ) ÷ 924] x 100 = -27.92%
Formula
Percentage change = [(666 - 924) / 924] x 100
Subtract the new number by the original number
666 - 924 = -258
-258 ÷ 924 = -0.2792207792207792
-0.2792207792207792 x 100 = -27.92%