-28.21% is the change from 957 to 687
Calculation steps:
[( 687 - 957 ) ÷ 957] x 100 = -28.21%
Formula
Percentage change = [(687 - 957) / 957] x 100
Subtract the new number by the original number
687 - 957 = -270
-270 ÷ 957 = -0.28213166144200624
-0.28213166144200624 x 100 = -28.21%