-53.29% is the change from 334 to 156
Calculation steps:
[( 156 - 334 ) ÷ 334] x 100 = -53.29%
Formula
Percentage change = [(156 - 334) / 334] x 100
Subtract the new number by the original number
156 - 334 = -178
-178 ÷ 334 = -0.5329341317365269
-0.5329341317365269 x 100 = -53.29%