-28.23% is the change from 928 to 666
Calculation steps:
[( 666 - 928 ) ÷ 928] x 100 = -28.23%
Formula
Percentage change = [(666 - 928) / 928] x 100
Subtract the new number by the original number
666 - 928 = -262
-262 ÷ 928 = -0.2823275862068966
-0.2823275862068966 x 100 = -28.23%