-52.4% is the change from 334 to 159
Calculation steps:
[( 159 - 334 ) ÷ 334] x 100 = -52.4%
Formula
Percentage change = [(159 - 334) / 334] x 100
Subtract the new number by the original number
159 - 334 = -175
-175 ÷ 334 = -0.5239520958083832
-0.5239520958083832 x 100 = -52.4%