-81.84% is the change from 914 to 166
Calculation steps:
[( 166 - 914 ) ÷ 914] x 100 = -81.84%
Formula
Percentage change = [(166 - 914) / 914] x 100
Subtract the new number by the original number
166 - 914 = -748
-748 ÷ 914 = -0.8183807439824945
-0.8183807439824945 x 100 = -81.84%