-80.05% is the change from 832 to 166
Calculation steps:
[( 166 - 832 ) ÷ 832] x 100 = -80.05%
Formula
Percentage change = [(166 - 832) / 832] x 100
Subtract the new number by the original number
166 - 832 = -666
-666 ÷ 832 = -0.8004807692307693
-0.8004807692307693 x 100 = -80.05%