-49.85% is the change from 327 to 164
Calculation steps:
[( 164 - 327 ) ÷ 327] x 100 = -49.85%
Formula
Percentage change = [(164 - 327) / 327] x 100
Subtract the new number by the original number
164 - 327 = -163
-163 ÷ 327 = -0.4984709480122324
-0.4984709480122324 x 100 = -49.85%