-12.33% is the change from 957 to 839
Calculation steps:
[( 839 - 957 ) ÷ 957] x 100 = -12.33%
Formula
Percentage change = [(839 - 957) / 957] x 100
Subtract the new number by the original number
839 - 957 = -118
-118 ÷ 957 = -0.12330198537095088
-0.12330198537095088 x 100 = -12.33%