-81.29% is the change from 914 to 171
Calculation steps:
[( 171 - 914 ) ÷ 914] x 100 = -81.29%
Formula
Percentage change = [(171 - 914) / 914] x 100
Subtract the new number by the original number
171 - 914 = -743
-743 ÷ 914 = -0.812910284463895
-0.812910284463895 x 100 = -81.29%