-28.11% is the change from 957 to 688
Calculation steps:
[( 688 - 957 ) ÷ 957] x 100 = -28.11%
Formula
Percentage change = [(688 - 957) / 957] x 100
Subtract the new number by the original number
688 - 957 = -269
-269 ÷ 957 = -0.28108672936259144
-0.28108672936259144 x 100 = -28.11%