-15.46% is the change from 957 to 809
Calculation steps:
[( 809 - 957 ) ÷ 957] x 100 = -15.46%
Formula
Percentage change = [(809 - 957) / 957] x 100
Subtract the new number by the original number
809 - 957 = -148
-148 ÷ 957 = -0.15464994775339602
-0.15464994775339602 x 100 = -15.46%