-49.85% is the change from 654 to 328
Calculation steps:
[( 328 - 654 ) ÷ 654] x 100 = -49.85%
Formula
Percentage change = [(328 - 654) / 654] x 100
Subtract the new number by the original number
328 - 654 = -326
-326 ÷ 654 = -0.4984709480122324
-0.4984709480122324 x 100 = -49.85%