-16.71% is the change from 389 to 324
Calculation steps:
[( 324 - 389 ) ÷ 389] x 100 = -16.71%
Formula
Percentage change = [(324 - 389) / 389] x 100
Subtract the new number by the original number
324 - 389 = -65
-65 ÷ 389 = -0.16709511568123395
-0.16709511568123395 x 100 = -16.71%