-80.4% is the change from 939 to 184
Calculation steps:
[( 184 - 939 ) ÷ 939] x 100 = -80.4%
Formula
Percentage change = [(184 - 939) / 939] x 100
Subtract the new number by the original number
184 - 939 = -755
-755 ÷ 939 = -0.8040468583599574
-0.8040468583599574 x 100 = -80.4%