-47.81% is the change from 320 to 167
Calculation steps:
[( 167 - 320 ) ÷ 320] x 100 = -47.81%
Formula
Percentage change = [(167 - 320) / 320] x 100
Subtract the new number by the original number
167 - 320 = -153
-153 ÷ 320 = -0.478125
-0.478125 x 100 = -47.81%