-84.52% is the change from 323 to 50
Calculation steps:
[( 50 - 323 ) ÷ 323] x 100 = -84.52%
Formula
Percentage change = [(50 - 323) / 323] x 100
Subtract the new number by the original number
50 - 323 = -273
-273 ÷ 323 = -0.8452012383900929
-0.8452012383900929 x 100 = -84.52%