-30.83% is the change from 957 to 662
Calculation steps:
[( 662 - 957 ) ÷ 957] x 100 = -30.83%
Formula
Percentage change = [(662 - 957) / 957] x 100
Subtract the new number by the original number
662 - 957 = -295
-295 ÷ 957 = -0.30825496342737724
-0.30825496342737724 x 100 = -30.83%