-45.39% is the change from 304 to 166
Calculation steps:
[( 166 - 304 ) ÷ 304] x 100 = -45.39%
Formula
Percentage change = [(166 - 304) / 304] x 100
Subtract the new number by the original number
166 - 304 = -138
-138 ÷ 304 = -0.45394736842105265
-0.45394736842105265 x 100 = -45.39%