-41.03% is the change from 312 to 184
Calculation steps:
[( 184 - 312 ) ÷ 312] x 100 = -41.03%
Formula
Percentage change = [(184 - 312) / 312] x 100
Subtract the new number by the original number
184 - 312 = -128
-128 ÷ 312 = -0.41025641025641024
-0.41025641025641024 x 100 = -41.03%