-28.94% is the change from 957 to 680
Calculation steps:
[( 680 - 957 ) ÷ 957] x 100 = -28.94%
Formula
Percentage change = [(680 - 957) / 957] x 100
Subtract the new number by the original number
680 - 957 = -277
-277 ÷ 957 = -0.2894461859979101
-0.2894461859979101 x 100 = -28.94%