-30.28% is the change from 327 to 228
Calculation steps:
[( 228 - 327 ) ÷ 327] x 100 = -30.28%
Formula
Percentage change = [(228 - 327) / 327] x 100
Subtract the new number by the original number
228 - 327 = -99
-99 ÷ 327 = -0.30275229357798167
-0.30275229357798167 x 100 = -30.28%