-81.55% is the change from 927 to 171
Calculation steps:
[( 171 - 927 ) ÷ 927] x 100 = -81.55%
Formula
Percentage change = [(171 - 927) / 927] x 100
Subtract the new number by the original number
171 - 927 = -756
-756 ÷ 927 = -0.8155339805825242
-0.8155339805825242 x 100 = -81.55%