-49.07% is the change from 322 to 164
Calculation steps:
[( 164 - 322 ) ÷ 322] x 100 = -49.07%
Formula
Percentage change = [(164 - 322) / 322] x 100
Subtract the new number by the original number
164 - 322 = -158
-158 ÷ 322 = -0.4906832298136646
-0.4906832298136646 x 100 = -49.07%