-16.19% is the change from 383 to 321
Calculation steps:
[( 321 - 383 ) ÷ 383] x 100 = -16.19%
Formula
Percentage change = [(321 - 383) / 383] x 100
Subtract the new number by the original number
321 - 383 = -62
-62 ÷ 383 = -0.1618798955613577
-0.1618798955613577 x 100 = -16.19%