-17.66% is the change from 957 to 788
Calculation steps:
[( 788 - 957 ) ÷ 957] x 100 = -17.66%
Formula
Percentage change = [(788 - 957) / 957] x 100
Subtract the new number by the original number
788 - 957 = -169
-169 ÷ 957 = -0.17659352142110762
-0.17659352142110762 x 100 = -17.66%