-78.33% is the change from 383 to 83
Calculation steps:
[( 83 - 383 ) ÷ 383] x 100 = -78.33%
Formula
Percentage change = [(83 - 383) / 383] x 100
Subtract the new number by the original number
83 - 383 = -300
-300 ÷ 383 = -0.783289817232376
-0.783289817232376 x 100 = -78.33%