-94.12% is the change from 323 to 19
Calculation steps:
[( 19 - 323 ) ÷ 323] x 100 = -94.12%
Formula
Percentage change = [(19 - 323) / 323] x 100
Subtract the new number by the original number
19 - 323 = -304
-304 ÷ 323 = -0.9411764705882353
-0.9411764705882353 x 100 = -94.12%