-51.5% is the change from 334 to 162
Calculation steps:
[( 162 - 334 ) ÷ 334] x 100 = -51.5%
Formula
Percentage change = [(162 - 334) / 334] x 100
Subtract the new number by the original number
162 - 334 = -172
-172 ÷ 334 = -0.5149700598802395
-0.5149700598802395 x 100 = -51.5%