-51.48% is the change from 338 to 164
Calculation steps:
[( 164 - 338 ) ÷ 338] x 100 = -51.48%
Formula
Percentage change = [(164 - 338) / 338] x 100
Subtract the new number by the original number
164 - 338 = -174
-174 ÷ 338 = -0.514792899408284
-0.514792899408284 x 100 = -51.48%