-81.82% is the change from 946 to 172
Calculation steps:
[( 172 - 946 ) ÷ 946] x 100 = -81.82%
Formula
Percentage change = [(172 - 946) / 946] x 100
Subtract the new number by the original number
172 - 946 = -774
-774 ÷ 946 = -0.8181818181818182
-0.8181818181818182 x 100 = -81.82%