-27.8% is the change from 957 to 691
Calculation steps:
[( 691 - 957 ) ÷ 957] x 100 = -27.8%
Formula
Percentage change = [(691 - 957) / 957] x 100
Subtract the new number by the original number
691 - 957 = -266
-266 ÷ 957 = -0.2779519331243469
-0.2779519331243469 x 100 = -27.8%