-28.62% is the change from 933 to 666
Calculation steps:
[( 666 - 933 ) ÷ 933] x 100 = -28.62%
Formula
Percentage change = [(666 - 933) / 933] x 100
Subtract the new number by the original number
666 - 933 = -267
-267 ÷ 933 = -0.2861736334405145
-0.2861736334405145 x 100 = -28.62%