-82.65% is the change from 957 to 166
Calculation steps:
[( 166 - 957 ) ÷ 957] x 100 = -82.65%
Formula
Percentage change = [(166 - 957) / 957] x 100
Subtract the new number by the original number
166 - 957 = -791
-791 ÷ 957 = -0.8265412748171369
-0.8265412748171369 x 100 = -82.65%