-18.8% is the change from 383 to 311
Calculation steps:
[( 311 - 383 ) ÷ 383] x 100 = -18.8%
Formula
Percentage change = [(311 - 383) / 383] x 100
Subtract the new number by the original number
311 - 383 = -72
-72 ÷ 383 = -0.18798955613577023
-0.18798955613577023 x 100 = -18.8%