-84.8% is the change from 329 to 50
Calculation steps:
[( 50 - 329 ) ÷ 329] x 100 = -84.8%
Formula
Percentage change = [(50 - 329) / 329] x 100
Subtract the new number by the original number
50 - 329 = -279
-279 ÷ 329 = -0.8480243161094225
-0.8480243161094225 x 100 = -84.8%