-40.45% is the change from 309 to 184
Calculation steps:
[( 184 - 309 ) ÷ 309] x 100 = -40.45%
Formula
Percentage change = [(184 - 309) / 309] x 100
Subtract the new number by the original number
184 - 309 = -125
-125 ÷ 309 = -0.4045307443365696
-0.4045307443365696 x 100 = -40.45%