-86.2% is the change from 971 to 134
Calculation steps:
[( 134 - 971 ) ÷ 971] x 100 = -86.2%
Formula
Percentage change = [(134 - 971) / 971] x 100
Subtract the new number by the original number
134 - 971 = -837
-837 ÷ 971 = -0.8619979402677652
-0.8619979402677652 x 100 = -86.2%