-28.63% is the change from 964 to 688
Calculation steps:
[( 688 - 964 ) ÷ 964] x 100 = -28.63%
Formula
Percentage change = [(688 - 964) / 964] x 100
Subtract the new number by the original number
688 - 964 = -276
-276 ÷ 964 = -0.2863070539419087
-0.2863070539419087 x 100 = -28.63%