-43.86% is the change from 383 to 215
Calculation steps:
[( 215 - 383 ) ÷ 383] x 100 = -43.86%
Formula
Percentage change = [(215 - 383) / 383] x 100
Subtract the new number by the original number
215 - 383 = -168
-168 ÷ 383 = -0.4386422976501306
-0.4386422976501306 x 100 = -43.86%