-77.53% is the change from 819 to 184
Calculation steps:
[( 184 - 819 ) ÷ 819] x 100 = -77.53%
Formula
Percentage change = [(184 - 819) / 819] x 100
Subtract the new number by the original number
184 - 819 = -635
-635 ÷ 819 = -0.7753357753357754
-0.7753357753357754 x 100 = -77.53%