-94.22% is the change from 329 to 19
Calculation steps:
[( 19 - 329 ) ÷ 329] x 100 = -94.22%
Formula
Percentage change = [(19 - 329) / 329] x 100
Subtract the new number by the original number
19 - 329 = -310
-310 ÷ 329 = -0.9422492401215805
-0.9422492401215805 x 100 = -94.22%