-29.56% is the change from 937 to 660
Calculation steps:
[( 660 - 937 ) ÷ 937] x 100 = -29.56%
Formula
Percentage change = [(660 - 937) / 937] x 100
Subtract the new number by the original number
660 - 937 = -277
-277 ÷ 937 = -0.29562433297758806
-0.29562433297758806 x 100 = -29.56%