-28.71% is the change from 937 to 668
Calculation steps:
[( 668 - 937 ) ÷ 937] x 100 = -28.71%
Formula
Percentage change = [(668 - 937) / 937] x 100
Subtract the new number by the original number
668 - 937 = -269
-269 ÷ 937 = -0.2870864461045891
-0.2870864461045891 x 100 = -28.71%