-17.87% is the change from 957 to 786
Calculation steps:
[( 786 - 957 ) ÷ 957] x 100 = -17.87%
Formula
Percentage change = [(786 - 957) / 957] x 100
Subtract the new number by the original number
786 - 957 = -171
-171 ÷ 957 = -0.1786833855799373
-0.1786833855799373 x 100 = -17.87%