-81.92% is the change from 946 to 171
Calculation steps:
[( 171 - 946 ) ÷ 946] x 100 = -81.92%
Formula
Percentage change = [(171 - 946) / 946] x 100
Subtract the new number by the original number
171 - 946 = -775
-775 ÷ 946 = -0.8192389006342494
-0.8192389006342494 x 100 = -81.92%