-81.45% is the change from 927 to 172
Calculation steps:
[( 172 - 927 ) ÷ 927] x 100 = -81.45%
Formula
Percentage change = [(172 - 927) / 927] x 100
Subtract the new number by the original number
172 - 927 = -755
-755 ÷ 927 = -0.81445523193096
-0.81445523193096 x 100 = -81.45%