-97.86% is the change from 327 to 7
Calculation steps:
[( 7 - 327 ) ÷ 327] x 100 = -97.86%
Formula
Percentage change = [(7 - 327) / 327] x 100
Subtract the new number by the original number
7 - 327 = -320
-320 ÷ 327 = -0.9785932721712538
-0.9785932721712538 x 100 = -97.86%