-56.66% is the change from 383 to 166
Calculation steps:
[( 166 - 383 ) ÷ 383] x 100 = -56.66%
Formula
Percentage change = [(166 - 383) / 383] x 100
Subtract the new number by the original number
166 - 383 = -217
-217 ÷ 383 = -0.566579634464752
-0.566579634464752 x 100 = -56.66%