-15.72% is the change from 388 to 327
Calculation steps:
[( 327 - 388 ) ÷ 388] x 100 = -15.72%
Formula
Percentage change = [(327 - 388) / 388] x 100
Subtract the new number by the original number
327 - 388 = -61
-61 ÷ 388 = -0.15721649484536082
-0.15721649484536082 x 100 = -15.72%