-86.13% is the change from 966 to 134
Calculation steps:
[( 134 - 966 ) ÷ 966] x 100 = -86.13%
Formula
Percentage change = [(134 - 966) / 966] x 100
Subtract the new number by the original number
134 - 966 = -832
-832 ÷ 966 = -0.8612836438923396
-0.8612836438923396 x 100 = -86.13%