-24.02% is the change from 204 to 155
Calculation steps:
[( 155 - 204 ) ÷ 204] x 100 = -24.02%
Formula
Percentage change = [(155 - 204) / 204] x 100
Subtract the new number by the original number
155 - 204 = -49
-49 ÷ 204 = -0.24019607843137256
-0.24019607843137256 x 100 = -24.02%