-47.98% is the change from 321 to 167
Calculation steps:
[( 167 - 321 ) ÷ 321] x 100 = -47.98%
Formula
Percentage change = [(167 - 321) / 321] x 100
Subtract the new number by the original number
167 - 321 = -154
-154 ÷ 321 = -0.4797507788161994
-0.4797507788161994 x 100 = -47.98%