-9.8% is the change from 204 to 184
Calculation steps:
[( 184 - 204 ) ÷ 204] x 100 = -9.8%
Formula
Percentage change = [(184 - 204) / 204] x 100
Subtract the new number by the original number
184 - 204 = -20
-20 ÷ 204 = -0.09803921568627451
-0.09803921568627451 x 100 = -9.8%