-51.38% is the change from 327 to 159
Calculation steps:
[( 159 - 327 ) ÷ 327] x 100 = -51.38%
Formula
Percentage change = [(159 - 327) / 327] x 100
Subtract the new number by the original number
159 - 327 = -168
-168 ÷ 327 = -0.5137614678899083
-0.5137614678899083 x 100 = -51.38%