-86% is the change from 957 to 134
Calculation steps:
[( 134 - 957 ) ÷ 957] x 100 = -86%
Formula
Percentage change = [(134 - 957) / 957] x 100
Subtract the new number by the original number
134 - 957 = -823
-823 ÷ 957 = -0.8599791013584117
-0.8599791013584117 x 100 = -86%