-22.06% is the change from 204 to 159
Calculation steps:
[( 159 - 204 ) ÷ 204] x 100 = -22.06%
Formula
Percentage change = [(159 - 204) / 204] x 100
Subtract the new number by the original number
159 - 204 = -45
-45 ÷ 204 = -0.22058823529411764
-0.22058823529411764 x 100 = -22.06%