-80.51% is the change from 939 to 183
Calculation steps:
[( 183 - 939 ) ÷ 939] x 100 = -80.51%
Formula
Percentage change = [(183 - 939) / 939] x 100
Subtract the new number by the original number
183 - 939 = -756
-756 ÷ 939 = -0.805111821086262
-0.805111821086262 x 100 = -80.51%