-28.83% is the change from 933 to 664
Calculation steps:
[( 664 - 933 ) ÷ 933] x 100 = -28.83%
Formula
Percentage change = [(664 - 933) / 933] x 100
Subtract the new number by the original number
664 - 933 = -269
-269 ÷ 933 = -0.2883172561629153
-0.2883172561629153 x 100 = -28.83%